TY  - BOOK
AU  - Chekanovskaya,O.V., x
AU  - x
TI  - Aquatic oligochaeta of the USSR: x
SN  - x
U1  - 595.1460947/C515a 
PY  - 1981///
CY  - New Delhi ; New York
PB  - Amerind Pub.
KW  - Worms
KW  - Invertebrates
N1  - Includes
ER  -