TY  - BOOK
AU  - Mai, W.F.
TI  - Pictorial key to genera of plant parasitic nematodes
U1  - 632.651:576.88 L5 
PY  - 1960///
CY  - Ithaca
PB  - Comstock Publishing
KW  -  W.F.Mai (and) H.H.Lyon.
KW  - Lyon, H.H.
KW  - Nematode Diseases of Plants,Plant Nematodes
ER  -