000			00367nam a2200169Ia 4500
008			240220s9999 xx 000 0 und d
041			_aENG
100			_aPaul Lang V.
245		0	_aAir conditioning
260			_aDelhi
260			_bC. B. S. Publishers And Dist.
260			_c1987
300			_a124p.
365			_b35
650			_aMECHANICAL
942			_cDBK
999			_c19631 _d19631