00302nam a2200109Ia 450000500170000000800410001708200160005810000200007424500530009426000370014730000080018420260224040826.0260224s9999||||xx |||||||||||||| ||und||  a574.192 KHR  aKhripach, V.A.  0aBrassinosteroids : a new class of plant hormones  aSan Diego : Academic Pressc1999  a456