TY  - BOOK
AU  - " Zweig, Gunter"
TI  - Analytical methods for pesticides and plant growth regulators v.2
U1  - 632.95+631.811.98+664:66.095.5:543 K4.2 
PB  - "New York : Academic Press Inc, 1964"
KW  - Plant growth regulators
ER  -