TY  - BOOK
AU  - Filip'ev, I N
TI  - Free living nematodes in the collection of the zooligical museum of the imperial academy of sciences in petrograd
U1  - 592.57  FIL-F 
PY  - 1973///
CY  - Amerind Publishing Co., New Delhi
KW  - Nematoda (Nemata-- roundworms)
ER  -