000 00298nam a2200133Ia 4500
008 220201s1950 xx 000 0 eng d
082 _a621.165
_bCHU
100 _aChurch, EF
245 0 _aSteam turbines
250 _a3
260 _bNewyork: Mc Graw Hills
_c1950
300 _a531
942 _2ddc
999 _c70649
_d70649