Filip'ev, I N <br/><br/>
Free living nematodes in the collection of the zooligical museum of the imperial academy of sciences in petrograd 

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 - Amerind Publishing Co., New Delhi  1973 
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nematoda (Nemata-- roundworms)
<br/><br/><label>Dewey Class. No.: </label>592.57  FIL-F