000 00256nam a22001097a 4500
082 _a665.53 DUC'E
100 _aHOYLL, G,DUCKWORTH, W. E
_980167
245 _aELECTRICITY REFINING
260 _aLONDON
_bCHAPMAN & HALL
_c1969
300 _a178P
942 _cBK
999 _c585134
_d585134