000 00376nam a2200145Ia 4500
008 210210b1971 xxu||||| |||| 00| 0 eng d
082 _a547.8 STEP
100 _aSTERN (Joy P) & STERN (Edward S).
245 _aPetrochemicals today.
260 _aLondon
_bEdward Arnold
_c1971
300 _avi,74
650 _aPetrochemicals
690 _aOrganic Chemistry
906 _a029495
999 _c80710
_d80710