TY - JOUR A1 - Weigand, Christoph T1 - On the Effects of SPC on Production Time T2 - Economic Quality Control. 8 (1993) Y1 - 1993 UR - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/1988 SN - 0940-5151 SP - 23 EP - 61 ER -