TY  - BOOK
AU  - Zweig, Gunter., ed.
TI  - Analytical methods for pesticides and plant growth regulators
SN  - 0127843108
U1  - 664.07/ZWE 
PY  - 1978///
CY  - New York
PB  - Academic Press
KW  - analytic methodology
KW  - chemistry
ER  -