922 Acta Cryst. (1992). A48, 922-946 International Union of Crystallography Report of the Executive Committee for 1991 Meetings (8) establishment of an international crystallographic newsletter; The IUCr sponsored the following meetings held during (9) approval of the audited accounts for the previous 1991: year; 1. First European Powder Diffraction Conference, "(10) the General Fund estimates and the level of the unit Munich, Germany, 14-16 March 1991. contribution; 2. Intensive Course in X-ray Structure Analysis, Aston, (11) investment policy; England, 18-24 March 1991. 3. International Workshop on Methods of Structure (12) funding and uses of the Publications and Journals Development Fund and the Research and Education Fund; Analysis of Modulated Structures and Quasicrystals, Bilbao-Lekeitio, Spain, 29 April-4 May 1991. (13) appointment of the Selection Committee for the 4. Third European Conference on Crystal Growth, third Ewald Prize; Budapest, Hungary, 5-11 May 1991. (14) sponsorship and financial support for meetings, 5. Second European Workshop on Crystallography of including young scientists' support; Biological Macromolecules, Como, Italy, 13-16 May 1991. (15) discussion of the arrangements for the Beijing Gen- 6. International Workshop on Magnetism, Magnetic eral Assembly and Congress; Materials and Their Applications, La Habana, Cuba, 21-29 (16) review of the activities of the Commissions. May 1991. 7. 18th Course 'Static, Kinematic and Dynamic Aspects Publications of Crystal and Molecular Structure', Erice, Italy, 30 May- 9 June 1991. Volume 47 of Acta Crystallographica and Volume 24 of the 8. International Conference on Polytypes, Modulated Journal of Applied Crystallography were published, as were Structures and Quasicrystals, Balatonsz6plak, Hungary, Volume 56A of Structure Reports and the Eighth Edition 20-24 August 1991. of the World Directory of Crystallographers. 9. Thirteenth European Crystallographic Meeting, Trieste, Italy, 25-30 August 1991. Adhering Bodies 10. Conference on Charge, Spin and Momentum Densities, Konstanz, Germany, 1-7 September 1991. A recent list of Adhering Bodies of the Union, with 11. Summer School on Neutron Scattering, Oxford, names and addresses of the Secretaries of the England, 17-27 September 1991. National Committees for Crystallography, was pub- 12. International School on Materials for Electronics: lished as Annex IV to the Report of the Fifteenth Growth, Properties and Applications, Trieste, Italy, General Assembly and International Congress of 18 November-6 December 1991. Crystallography [Acta Cryst. (1992), A48, 402-403]. The Executive Committee met in Chester, England, in August. The Finance Committee met twice, also in Chester, in March and then in August immediately before the Execu- Work of the Commissions tive Committee meeting, to prepare its advice and recom- Commission on Journals mendations on finances, establishment and staff matters. The most important items of business dealt with by the Volume 47 of Acta Crystallographic (Acta) was published Executive Committee at its meeting, and in postal ballots, in 1991, and included a total of 1336 papers (a 7% increase were: from 1990) received from 50 countries, with an overall total (1) editorial policy, pricing policy and subscription rates, of 4630 pages. Manuscripts received by Co-editors con- approval of appointments of Co-editors and other matters tinued to increase, with 1465 papers received in 1991. concerning the IUCr journals; The average lengths of full articles in Acta A and Acta (2) publication of a new Section (Section D) of Acta B in 1991 increased to 7.2 and 7.4 pages, respectively, while Crystallographica on Biological Crystallography; Acta C's full articles and Short Format papers showed little (3) appointment of new staff in the IUCr office in change at 2.7 and 1.8 pages. Median publication times for Chester; these full articles, the average elapsed time between the (4) upgrading of office technology in the IUCr office in published acceptance and nominal publication dates, were Chester and expansion of this office; 5.2 months for Acta A, 5.8 months for Acta B and 7.0 (5) future of Structure Reports and its cooperation with months for Acta C. The median publication times for Acta databases, including relations between the IUCr and the A increased as a result of its appearing bimonthly in 1991. Cambridge Crystallographic Data Centre; Acta B continued to increase in size, with a corresponding (6) developments of the STAR file, the implementation slight increase in publication time. The clearing of a backlog of the Crystallographic Information File (CIF) for Acta of Acta C papers contributed to a decrease in its publication Crystallographica papers and other uses of CIF; time. Median publication times in 1991 for Short Communi- (7) progress with Volumes B and C of International cations were 4.8 months for Acta A, 6.1 months for Acta Tables; B and 6.1 months for Acta C. The median publication times INTERNATIONAL UNION OF CRYSTALLOGRAPHY 923 Table 1. Survey of the contents of the Union Journals Acta Crystallographica Short Format Short Fast Full Articles Papers Communications Communications Number Number of of Average Average Average Average Vol. Year Pages* Papers Number Length Number Length Number Length Number Length A43f} 840) 128) 114} 205 6.5}6.4 -- -- li} 1.3} B43 1987 584~3896 100~ 1223 91 6.3 -- -- 27 0.9 1.1 C43 2472 J 995 J 817 2.7 174 1.7 0.9 A44 "} 1104) 159} 150~ 6.3} 6.4 -- -- 9~ 1.1~ B44 1988 680~4024 104 1160 100J 250 6.4 -- -- 4 24 0.3 0.6 C44 2240 J 897 712 2.5 174 1.5 11 .I 0.3 .I A45 920) 143 122 212 6.6 6.6 -- 14 B45 1989 600~3550 94 1043 90 6.6 -- -- 4 35 0.5 0.8 C45 2030 J 806 550 2.8 239 1.9 17 J 0.8 J A46:~ } 998) 150) 126} 246 7.0}6.9 -- -- 19~ 1.2 1 5 2.4 B46 1990 864~4362 123~1253 120 6.7 -- -- 3 39 0.8 0.9 C46 2500J 980J 693 2.6 270 1.8 17J 0.6J B47 1991 1030 ],4630 137], 1336 130J 234 7.4 7.3 -- -- 28 1.0 1.0 1 4.0 C47 2740 .I 1076J 678 1.7 391 1.8 0.6 Journal of Applied Crystallography Fast Communications (from 1990) Short Crystal Data Computer Full Articles Communications (1986-1989) Programs Short Items§ Number Number of of Average Average Average Average Average Vol. Year Pages* Papers Number Length Number Length Number Length Number Length Number Length 20 1987 538 105 70 5.7 12 2.0 4 0.5 15 3.1 4 0.6 21¶ 1988 996 169 139 5.7 6 1.5 1 0.4 10 2.7 13 0.6 22 1989 642 125 81 6.7 18 1.6 -- -- 12 4.3 14 0.8 23 1990 560 105 72 5.6 13 1.7 1 2.0 11 2.3 9 0.8 24** 1991 1102 176 138 5.7 20 1.7 5 2.6 13 2.9 13 0.8 * Excluding indexes f Volume A43 includes, in addition, 360 pages of abstracts communicated to the Perth Congress. Volume A46 includes, in addition, 540 pages of abstracts communicated to the Bordeaux Congress. § Excluding Union Announcements, Crystallographers, New Commercial Products and Book Reviews. ¶ Volume 21 includes 303 pages of 43 papers presented at the International Conference on Applications and Techniques of Small-Angle Scattering, Argonne, 1987. ** Volume 24 includes 464 pages of 68 papers presented at the International Conference on Small-Angle Scattering, Leuven, Belgium, 1990. for Fast Communications papers in Acta A and Acta B was 2.3 pages in 1991, compared with 2.0 pages in 1990. were 1.8 and 1.3 months, respectively, and for Short Format Papers were received from 30 countries. papers in Acta C 6.1 months. The Executive Committee approved the establishment of A total of 53 inorganic, 13 organometallic and 62 organic the new Section D of Acta Crystallographica, entitled Bio- papers appeared in Section B in 1991, compared with 47, logical Crystallography. The initial publication date is 13 and 63, respectively, in 1990. The distribution of papers January 1993. Dr Jenny P. Glusker of The Fox Chase Cancer in Section C was 115 inorganic, 358 organometallic and Center in Philadelphia will serve as Editor of Acta D. 603 organic in 1991, compared with 128 inorganic, 294 Angelo Gavezzotti and Hans Burzlaff retired as Acta organometallic and 557 organic articles in 1990. Co-editors at the end of 1991, after handling a total of over The number of papers published for Volume 24 of the 900 manuscripts during their terms. Mario Nardelli joined Journal of Applied Crystallography (JAC) in 1991 was 176, as Co-editor of Acta, following his retirement as President compared with 105 for 1990, reflecting the appearance of of the IUCr. the Small-Angle Neutron Scattering special issue. The num- ber of pages was 1102 (560 in 1990) and the median publica- Commission on Structure Reports tion time for full articles was 7.0 months (5.6 months if the Volume 56A (Metals and Inorganic Compounds for 1989; SANS issue is excluded). 293 pp.) was published in 1991. Volumes 57A (Metals and The average length of full articles in JAC was 5.7 pages Inorganic Compounds for 1990; 339 pp.) and 51B (Organic in 1991, compared with 5.6 pages in 1990. The average Compounds for 1984; 2094 pp.) were sent to the printer in length for Short Communications and Computer Programs 1991. Work is nearing completion on Volume 50B (Organic 924 INTERNATIONAL UNION OF CRYSTALLOGRAPHY Compounds for 1983) and is well in hand for Volume 52B authors were accepted by the Executive Committee at its (Organic Compounds for 1985).