000 00303nam a22001217a 4500
003 OSt
082 _a660 WAL
100 _aWalker W H
245 _aPrinciples of chemical engineering
_bChemical engineering series
260 _aLondon
_bMcGRAW HILL BOOK COMPAMY
_c1937
300 _a749pp
942 _2ddc
_cBK
999 _c13375
_d13375