Before revision: Notable biospeleologists Emil Racoviță Carl Eigenmann Louis Fage René Jeannel Curt Kosswig Bibliography Bernard Collignon, Caving, scientific approaches., Edisud 1988 Fabien Steak, Approach biospéologie, File EFS Instruction No.
After revision: Juan ChirÌnosNotable biospeleologists Emil Racoviță Carl Eigenmann Louis Fage René Jeannel Curt Kosswig Bibliography Bernard Collignon, Caving, scientific approaches., Edisud 1988 Fabien Steak, Approach biospéologie, File EFS Instruction No.