00371nam a2200181Ia 4500008004100000082000800041082000800049100001500057245003900072250001200111260001600123260000900139300001000148365000600158365000600164365000600170650001300176181031s9999 xx 000 0 und d a696 bDAD aDadras Aly aMechanical Systems for Architects. a5th ed. bMcGraw Hill c1995 a318p. b0 d0 e0 aServices