000			00476nam a2200157Ia 4500
008			221102s9999 xx 000 0 und d
020			_a9780875848891
082			_a658.8 HAG-N
100			_aHagel, John III
245		0	_aNet worth: shaping markets when customers make the rules
260			_bHarvard Business School Press _aUSA _c1999
300			_a311p p.
650			_aOnline information services; Consumers--Information services
700			_aSinger, Marc
942			_cBK
999			_c1972 _d1972