TY  - BOOK
AU  - " Zweig, Gunter"
TI  - Analytical methods for pesticides and plant growth regulators v.1
U1  - 632.95+631.811.98+664:66.095.5:543 K3.1 
PB  - "New York : Academic Press Inc, 1963"
KW  - Plant growth regulators
ER  -