TY - CONF A1 - Steinberg, Falk A1 - Woll, Ralf T1 - Approaches for Handling of difficult to quantify Characteristics in Product Development T2 - Proceedings of the 15th QMOD Conference on Quality and Service Sciences, Poznan (Poland) 2012 Y1 - 2013 UR - https://opus4.kobv.de/opus4-UBICO/frontdoor/index/index/docId/8567 SN - 978-83-89333-46-9 SP - 1746 EP - 1763 PB - Univ. of Technology CY - Poznan ER -