000			00327nam a2200157Ia 4500
008			220709s9999 xx 000 0 und d
082			_a621.56 _bDOS
100			_aDOSSAR ROY J.
245		0	_aPRINCIPAL OF REFRIGERATION
250			_a4
260			_bPEARSON
260			_c2020
300			_a528
942			_cREF
999			_c80848 _d80848