TY  - GEN
AU  - Zweigh, Gunter
TI  - Analytical methods for Pesticides, Plant growth, Regulators, and Food Additives, V.IV. Principles methods, and general Applications
U1  - 632.95 ANA.01; 02 
CY  - New York, Academic Press
KW  - Pesticides/ Plant growth Regulators/ Principles- Plant grwoth Regulators
ER  -