1. Helictite bushes: a subaqueous speleothem?;Davis;Natl. Speleol. Soc. Bull.,1989
2. Wind Cave helictite bushes as a subaqueous speleothem: further observations;Davis;Geo2 Geol. Geogr. Sect. Natl. Speleol. Soc.,1991
3. Helictite bushes, tufa towers, and inverted rimstone dams;Davis;Geo2 Geol. Geogr. Sect. Natl. Speleol. Soc.,2004
4. Extraordinary subaqueous speleothems in Lechuguilla Cave;Davis;Natl. Speleol. Soc. Bull.,1990
5. Some unusual formations in Skyline Caverns, Virginia;Henderson;Natl. Speleol. Soc. Bull.,1949