000 00273nam a2200121Ia 4500
008 160710s1974 xx 000 0 und d
082 _a500 JAC
100 _aJACOLISON,W.J.
245 _aINVESTIGATING IN SCIENCE
260 _bUSA
_c1974
300 _a147
942 _2ddc
_cB
999 _c37147
_d37147