Cave pearl
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- Provisional Manual of Information, Eighth Edition
- Abstract Book Mario Lowres
- Craven Pothole Club
- How Speleothems Grow: an Introduction to the Ontogeny of Cave Minerals
- Guidelines for Entering Lechuguilla Cave 549 Appendix 5
- Petrographic and Geochemical Study on Cave Pearls from Kanaan Cave (Lebanon)
- CAVE PROTECTION ACT Act of Nov. 21, 1990, P.L. 539, No. 133 Cl. 27 an ACT
- Ettien's Sinkhole Sketch.Cdr
- Cave Pearl Data Logger: a Flexible Arduino-Based Logging Platform for Long-Term Monitoring in Harsh Environments