TY  - BOOK
ED  - United States.
TI  - The soybean cyst nematode
T2  - [United States. Dept. of Agriculture] PA
AV  - S21 .A856 no. 333
PY  - 1966///]
CY  - Washington
PB  - U.S. Dept. of Agriculture
KW  - Soybean cyst nematode
KW  - Heterodera glycines
ER  -