Even-Chen, Z., Sachs, R. M., and Hackett, W. P. (1979) Control of flowering in Bougainvillea "San Diego Red" : Metabolism of benzyladenine and the action of gibberellic acid in relation to short day induction. Plant Physiol. 64 : 646-651.
Halevy, A. H., Spiegelstein, H., and Goldshmidt, E. E. (1991) Auxin inhibition of flower induction of Pharbitis is not meditated by ethylene_ Plant Physiol_ 95 652-654_