000 00264nam a2200109Ia 4500
008 160710s1951 xx 000 0 und d
100 _aEMERICK,ROBERT .H
245 _aHEATING AND DESIGN PRACTICE
260 _bMC GRAW HILL
_c1951
300 _a453
942 _2ddc
_cB
999 _c12821
_d12821