000 00277nam a2200109Ia 45e0
008 181001s1973 xx 000 0 und d
100 _aKlingman
245 0 _aWeed control as a science
260 _bWiley Eastarn
_c1973
300 _a421
942 _2ddc
_cBK
999 _c2735
_d2735