000 00397nam a2200121Ia 4500
008 170224s9999 xx 000 0 und d
245 _aHow open is this platform? The meaning and measurement of platform openness from the complementors’ perspective
260 _bJournal of Information Technology
260 _c2015
300 _a30:3
500 _aSeptember
650 _xInformation Technology
999 _c315816
_d315816