TY  - BOOK
AU  - Thomson, William T.
TI  - Agricultural chemicals
U1  - 630.24 
PY  - 1979///
CY  - Fresno, Ca.
PB  - Thomson Publications
KW  - Fungicidas
KW  - Herbicidas
N1  - .- v.4 Fungidides; La biblioteca tiene; v.2 Herbicides
ER  -