TY  - BOOK
AU  - Filipʹev, Ivan Nikolaevich,
TI  - Free living nematodes in the collection of the Zoological Museum of the Imperial Academy of Sciences in Petrograd
AV  - QL391.N4 F5313
U1  - 595.13 19
PY  - 1973///
CY  - New Delhi
PB  - Amerind, 
KW  - Nematodes
KW  - Collection and preservation
N1  - Includes bibliographical references
ER  -