000 00345nam a2200145Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e622
_aMAIN
041 _aEnglish
082 _a541.362 S16C
100 _aSienko, M J
245 0 _aChemistry problems
260 _aNew York
_bW A Benjamin
_c1967
300 _aviii, 427 p.
942 _cBK
999 _c142128
_d142128