WoRMS source request
You have requested access to download the full text of the source (SourceID: 179287):
Filipjev, I. N. (1929). Classification of freeliving Nematoda and relations to parasitic forms. J. Parasit. 15: 281-282.
Filipjev, I. N. (1929). Classification of freeliving Nematoda and relations to parasitic forms. J. Parasit. 15: 281-282.