00441nam a2200169Ia 4500003000400000008004100004082001700045100001700062245004700079260003800126300001500164440002900179650001800208650002300226650001100249650001100260OSt170901s1959    xx            000 0 und d  a581.31bA89P  aAudus, L. J. 0aPlant Growth Substances / cby L. J. Audus  a.- Londonb: Leonard Hillc, 1959  axxii,553p.  aPlant Science Monographs  aPure Sciences  aBotanical Sciences  aPlants  aGrowth