CONTENTS - Continued PHYSICAL REVIEW D THIRD SERIES, VOLUME 57, NUMBER 4 15 FEBRUARY 1998 Recycling universe . 2230 Jaume Garriga and Alexander Vilenkin Cosmological particle production and generalized thermodynamic equilibrium . 2245 Winfried Zimdahl Spherical curvature inhomogeneities in string cosmology . 2255 John D. Barrow and Kerstin E. Kunze Strong-coupling behavior of ␾4 theories and critical exponents . 2264 Hagen Kleinert Hamiltonian spacetime dynamics with a spherical null-dust shell . 2279 Jorma Louko, Bernard F. Whiting, and John L. Friedman Black hole boundary conditions and coordinate conditions . 2299 Douglas M. Eardley Ampli®cation of gravitational waves in radiation-dominated universes: Relic gravitons in models with matter creation . ..................................... 2305 D. M. Tavares and M. R. de Garcia Maia Evolution equations for gravitating ideal ¯uid bodies in general relativity . 2317 Helmut Friedrich Five-brane instantons and R2 couplings in Nϭ4 string theory . 2323 Jeffrey A. Harvey and Gregory Moore Exact gravitational threshold correction in the Ferrara-Harvey-Strominger-Vafa model . 2329 Jeffrey A. Harvey and Gregory Moore Effective theories of coupled classical and quantum variables from decoherent histories: A new approach to the back reaction problem . 2337 J. J. Halliwell Quantization of black holes in the Wheeler-DeWitt approach . 2349 Thorsten Brotz Trace-anomaly-induced effective action for 2D and 4D dilaton coupled scalars . 2363 Shin'ichi Nojiri and Sergei D. Odintsov Models for chronology selection . 2372 M. J. Cassidy and S. W. Hawking S-wave sector of type IIB supergravity on S1ϫT4 ................................................... 2381 Youngjai Kiem, Chang-Yeong Lee, and Dahl Park Kerr spinning particle, strings, and superparticle models . 2392 A. Burinskii Stuffed black holes . 2397 A. Arbona, C. Bona, J. Carot, L. Mas, J. MassoÂ, and J. Stela Unruh effect with back reactionÐA ®rst-quantized treatment . 2403 B. Reznik Entropy of the Schwarzschild black hole and the string±black-hole correspondence . 2410 Sergey N. Solodukhin Quantum gravity near the apparent horizon and two-dimensional dilaton gravity . 2415 Ichiro Oda Statistical entropy of an extremal black hole with zero- and six-brane charge . 2421 Harrison J. Sheinblatt Statistical effects and the black-hole±D-brane correspondence . 2427 Donald Marolf ͑Anti-͒evaporation of Schwarzschild±de Sitter black holes . 2436 Raphael Bousso and Stephen W. Hawking Effective Lagrangians and low energy photon-photon scattering . 2443 Duane A. Dicus, Chung Kao, and Wayne W. Repko (Continued).