TY  - SER
ED  -  Weed Science Society of America.
TI  -  Weed science
SN  -  00431745
U1  -  PER 631.5805 W4 
PY  - 1989///-
CY  -  Champaign, Ill. : 
PB  -  Weed Science Society of America , 
KW  -  Weed science
KW  -  Periodicals
ER  -