TY  - BOOK
AU  - Lyon, H. H.
AU  - Mai, W.F.
TI  - Pictorial key to genera of plant parasitic nematodes
SN  - 0801409209
U1  - 592.57 21st ed.
PY  - 1960///
CY  - Ithaca
PB  - Comstock Publishing
KW  - Nematoda
KW  - Plant parasitic nematoda
ER  -