000 00453nam a22001697a 4500
003 NUST - PNEC
005 20170116181021.0
008 150915b xxu||||| |||| 00| 0 eng d
020 _a-
040 _cLIBRARY
082 _a621.184 ELO
100 _910688
_aElonka, Stephen Michael
245 _aStandard boiler operators' questions and answers
_cStephen Michael Elonka
260 _cc.1969
650 _910689
_aSteam-boilers
_xME
942 _2ddc
_cBK
999 _c67425
_d67425