1. P. Butala, J. Kleine, S. Wingen, H. Gergs, G. Leipzig, Assessment of assembly processes in European industry, Paper presented at the 35th CIRP-International Seminar on Manufacturing Systems, 12–15 May 2002, Seoul, Korea, Available at: 〈http://prospektiv.de/extensions/bibliothek/Dokumente/PDF/SEOUL-FINAL.pdf, 2002〉.
2. Appropriate human involvement in assembly and disassembly;Bley;CIRP Ann–Manuf Tech,2004
3. Automotive assembly technologies review: challenges and outlook for a flexible and adaptive approach;Michalos;CIRP J. Manuf. Sc. Technol.,2010
4. A classification of assembly line balancing problems;Boysen;Eur J Oper Res,2007
5. K. H. Doerr, T. Freed, T.R. Mitchell, C.A. Schriesheim, C.A., X.T. Zhou, T., Work Flow Policy and Within-Worker and Between-Workers Variability in Performance, J. of Appl. Psych., 89 (2004) 911-921.