000 00313nam a2200133Ia 4500
008 220204s9999 xx 000 0 und d
082 _a665.6
_bWAD
100 _aWaddams, A Lawrence
245 0 _aChemicals from petroleum
250 _aEd.2
260 _aLondon
_bELBS
_c1968
650 _aPetroleum
942 _cBK
999 _c30515
_d30515