000 00290nam a2200121Ia 4500
008 220201s1964 xx 000 0 eng d
082 _a621.402
100 _aEmerich, Robert Henderson
245 0 _aHeating handbook
260 _bMc Graw Hill Book Co
_c1964
300 _a522
942 _2ddc
999 _c77591
_d77591