000 00326nam a2200133Ia 4500
008 160316s1972 xxu||||| |||| 00| 0 eng d
020 _a
100 _aWeaver, Robert J
245 _aPlant Growth Substances In Agriculture
250 _a
260 _aSan Francisco
_bW H Freeman and Co.
_c1972
300 _a594
700 _a
_a
999 _c17524
_d17524