Operations Research, Volume 47

Volume 47, Number 1, January / February 1999

Volume 47, Number 2, March / April 1999

Volume 47, Number 3, May / June 1999

Volume 47, Number 4, July / August 1999

Volume 47, Number 5, September / October 1999

Volume 47, Number 6, November / December 1999

maintained by Schloss Dagstuhl LZI, founded at University of Trier