TY  - BOOK
AU  - Thomson, William T.
TI  - Agricultural chemical
U1  - 630.24 
PY  - 0000///19 -19
CY  - Fresno, Ca.
PB  - Thomson
KW  - Fungicidas
KW  - Herbicidas
N1  - La biblioteca tiene; v.4 Fungicides
ER  -