Matthias Müller-Hannemann Karsten Weihe Moving Policies in Cyclic Assembly-Line Scheduling. 149-161 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3162&spage=149 2004 conf/iwpec/2004 IWPEC db/conf/iwpec/iwpec2004.html#Muller-HannemannW04