000 00303nam a2200121Ia 4500
008 220201s1968 xx 000 0 eng d
082 _a540
100 _aA Holderness & Lambert,J
245 0 _aProblems and question & worked examples in chemistry
260 _bNA
_c1968
300 _a125
942 _2ddc
999 _c74976
_d74976