000 00309nam a2200121Ia 4500
008 170101s1972 xx 000 0 und d
082 _a581.18 WEA
100 _aWeaver, Rober J
245 0 _aPlant growth substances in agriculture
260 _aNew Delhi
_bS.Chand
_c1972
300 _aP.594
942 _2ddc
_cBK
999 _c38381
_d38381