TY  - BOOK
AU  - ZWEIG, Gunter
TI  - Analytical methods for pesticides, plant growth regulators, and food additives
U1  - 543.5 Z-9A 
PY  - 1963///
PB  - N.Y.
KW  - PESTICIDES
KW  - AGRICULTURAL CHEMICALS
KW  - INSECTICIDES
ER  -