000 00365nam a22001457a 4500
020 _a9788087723
050 _aTP692.3.O28 2012
100 _aObuasi, Peter
245 _aPetrochemicals.
260 _aNsuka
_bGreat AP Express publications.
_c2012
300 _a113p. :ill.; 21cm
500 _aIncludes indexP
650 _aPetroleum chemicals
942 _2lcc
_cBK
999 _c19984
_d19984