00368nam a2200109Ia 4500008004100000082004500041100002100086245007100107260004200178300001000220650002800230140113s9999    xx            000 0 und d  a632.95+631.811.98+664:66.095.5:543  L8.X  a" Zweig, Gunter"  aAnalytical methods for pesticides and plant growth regulators v.10  b"New York : Academic Press Inc, 1978"  a587p.  aPlant growth regulators