000 00287nam a2200109Ia 4500
008 220201s1971 xx 000 0 eng d
082 _a697.9
100 _aPorges, F
245 0 _aHandbook of heating, ventilating & air conditioning
260 _bNewmess-Butterworths
_c1971
942 _2ddc
999 _c78049
_d78049