By Luczak H.   Nicolai H.   Kees A.   in Production Planning and Control

ISSN:1366-5871|9|5|448-456

Taylor & Francis Ltd‎(1998)‎

Access to resources Favorite 8.316391

By Fischbacher T.   Nicolai H.   Samtleben H.   in Communications in Mathematical Physics

ISSN:0010-3616|249|3|475-496

Springer Publishing Company ‎(2004)‎

Access to resources Favorite 7.63853