000 00367nam a2200157Ia 4500
003 0STCL
008 150530s9999 xx 000 0 und d
040 _aSTCL
_cSTCL
100 _aJohnson Mildred, O.
245 _aProblem solving and chemical calculations
260 _c1969
546 _aEnglish
942 _2ddc
_cBK
999 _c32179
_d32179
005 20220125170238.0