000 00373nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aOpen University
245 _aProduct Differentiation and Advertising
260 _c2000
_bOpen University
366 _b2000
541 _g012/19.6.82
650 _aAccounting
942 _cBK
999 _c68606
_d68606