00381nam a2200133Ia 4500008004100000020001500041082001900056100000500075245007900080260003800159300000800197650002100205700002100226140316s9999    xx            000 0 und d  a0824785363  a631.89bGAU/PL  a  aPlant biochemical regulators : Books in soils , Plants and the environment  aNew YorkbMarcel dekker incc1991  a363  aPlant regulators  aGausman,Harold W