TY  - BOOK
ED  - Southern Weed Conference (41: 1988: Tulsa, Oklahoma)
TI  - Proceedings: environmental legislation and its effects on weed science  
U1  - PA 632.58 S6 1988 
CY  - Tulsa, Oklahoma
PB  -  The Society
KW  - Malas hierbas
KW  -  Control  Medio ambiente
KW  -  Protección  Herbicidas
ER  -