Encyclopedia of Caves

Cave Detectives

David L. Harrison

2006

Speleology

George William Moore

1964

Microbial Life of Cave Systems

Annette Summers Engel

2015

The complete book of cave exploration

Roy Pinney

1962

Archaeology of Caves in Ireland

Marion Dowd

2015

Höhlenkunde

Hubert Trimmel

1968

Speleological and Speleogenetic Aspects of the Monti di Capo San Vito

Rosario Ruggieri

2015

Indice bibliografic tematic al revistei Lucrările Institutului de Speologie "Emil Racoviță", Travaux de L'institut de spéologie "Emile Racovitza", Academia Română, 1962-1995 =

Zoe Buz

1998