Botosaneanu L. 1986. Stygofauna Mundi: A Faunistic, Distributional, and Ecological Synthesis of the World Fauna inhabiting Subterranean Waters (including the marine interstitial) Leiden, The Netherland, E.J. Brill / Dr. W. Backhuys. 1986

Camacho, A.I. (ed.) 1992. The natural history of biospeleology. Madrid: Museo Nacional de Ciencias Naturales.

Chapelle, F.H. 1993. Ground-water microbiology and geochemistry. New York: J. Wiley & Sons.

Culver, D.C. 1981. Cave life. Evolution and ecology. Cambridge: Havard Univ. Press.

Culver, D.C., T.C. Kane, and D.W. Fong. 1995. Adapation and natural selection in caves. Cambridge: Harvard Univ. Press.

Ginet. R., and V. Decou. 1977. Initiation a la biologie et a l'ecologie souterraines. Paris: J-P Delarge.

Gibert, J., D.L. Danielopol, and J.A. Stanford (eds.). 1994. Groundwater ecology. San Diego: Academic Press.

Gunn J., P. Hardwick & P.J. Wood. 2000. the invertebrate commnity of the Peak-Speedwell cave system, Derbyshire, England - pressures and considerations for conservation management. Aquatic Cons. Mar. freshwater ecosys., 10: 353-369.

Iliffe, T.M. 1992. Anchialine Cave Biology. In: The Natural History of Biospeleology, A.I. Camacho, ed., Museo Nacional de Ciencias Naturales, Madrid, pp. 613-636.

Iliffe, T.M. 1986. The zonation model for the evolution of aquatic faunas in anchialine waters. Stygologia, 2:2-9.

Jasinska E.J, A.J. Knott & A.J. McComb. 1996. Root mats in groundwater: a fauna-rich cave habitat. J. north Amer. Benth. Soc., 15:508-519.

Juberthie C. & Decu V. 1994. Encyclopaedia Biospeleologica. I. Soc. Biospeol., Moulis (CNRS) - Bucarest), pp.1-834.

Sket B. 1999. The nature of biodiversity in hypogean waters and how it is endangered. Biodiversity and Conservation, 8 (10): 1319-1338.

Vandel, A. 1964. Biospeologie: la biologie des animaux cavernicoles. Paris: Gautheir-Villars.

Jan H. Stock memorial Issue. 1999. Crustaceana, 72 (8): 721-1037.

This volume includes an editorial article by D. L. Danielopol, K. Martens and J.C. von Vaupel Klein, two Introductory papers, eight papers on Groundwater fauna, five on Ancient Lakes, three on Anchialine Cave Fauna, three on deep-sea fauna, and a concluding paper on the age and origin of crustacean diversity in extreme environments, by K. Martens and D. L. Danielopol. Organisms covered by the papers include Amphipoda, stenasellid Isopoda, cyclopoid and misophrioid Copepoda, Remipedia, and Ostracoda.