000 00239nam a22001097a 4500
020 _a06046819X
082 _a540
_bVEN/CHE
100 _aM VENUCOPALAN
245 _aCHEMISTRY AND OUR WORLD
260 _bHARPER AND ROW
_c1975
942 _2ddc
_cBK
999 _c1633
_d1633