000			00396nam a2200121Ia 4500
008			170224s9999 xx 000 0 und d
245			_aCustomer Acquisition and Retention Spending: An Analytical Model and Empirical Investigation in Wireless Telecommunications Markets
260			_bJournal of Marketing Research
260			_c2016
300			_a53:
500			_aOctober
650			_xMarketing.
999			_c316058 _d316058