EEpikarstEpikarstde Jones, William K., David C. Culver, Janet S. HermanMateriasEpikarstCongressesEdiciones (1)Epikarst (2004)Karst Waters Institute · inglésMás obras de Jones, William K.CCases and materials on regulated industriesCases and materials on regulated industries
RRecommendations and guidelines for managing caves on protectRecommendations and guidelines for managing caves on protected lands