000			nam a22 7a 4500
999			_c14438 _d14438
020			_a9780130491770
040			_cCDR
041			_hEnglish
082			_a330
100			_aO'Sullivan Arthur
245			_aEconomics : principles and tools
260			_aUSA _c2003
300			_a712 p.
942			_cEB