000 00290nam a2200121Ia 4500
008 220201s2007 xx 000 0 eng d
082 _a621.56
_bPIT
100 _aPita,EG
245 0 _aAair conditioning Principle & Systems
260 _bNew Delhi:PHI
_c2007
300 _a524
942 _2ddc
999 _c87952
_d87952