000 00276nam a2200097Ia 4500
008 231207s9999 xx 000 0 und d
082 _a696
_bBOV
100 _aBovay, H.E.
245 0 _aHandbook of mechanical and electrical systems for buildings
260 _bMcGraw-Hill Book Campany
999 _c4197
_d4197