000 00259nam a2200121 4500
082 _a540 VEN
100 _aVenugopalan,M
245 _aChemistry and our world
260 _aNew York
_bHarper & Row
_c1975
300 _a465 p
650 _aChemistry
942 _cBK
999 _c1211
_d1211