%0 Journal Article %T Studies on plant growth‐regulating substances %A HARPER, D. B. %A WAIN, R. L. %J Annals of Applied Biology %V 67 %N 3 %P 395-408 %@ 0003-4746 %D 1971-01-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve