Podzemnata khidrobiosfera i biologichnata evoli͡ut͡sii͡a
By: Li͡ubomir T͡Svetkov.
Publisher: Izd-vo na Bŭlgarskata akademii͡a na naukite
Published: 1982
Place of publication: Sofii͡a
Language: bul
Number of pages: 208
Subjects: Aquatic biology.; Groundwater -- Microbiology.
Other titles: Podzemnai͡a gidrobiosfera i biologicheskai͡a ėvoli͡ut͡sii͡a.; Underground hydrobiosphere and biological evolution.
Notes: Bibliography: p. 177-194.
Titles on added t.p.: Podzemnai͡a gidrobiosfera i biologicheskai͡a ėvoli͡ut͡sii͡a; Underground hydrobiosphere and biological evolution.
At head of title: Bŭlgarska akademii͡a na naukite. Institut po zoologii͡a.
Summary in English and Russian.