TY - JOUR A1 - Pietsch, Wolfram T1 - Augmenting voice of the customer analysis by analysis of belief T2 - QFD-Forum Y1 - 2015 UR - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/9210 SN - 1431-6951 IS - 30 SP - 1 EP - 5 ER -