Operations Research, Volume 29

Volume 29, Number 1, January / February 1981

Volume 29, Number 2, March / April 1981

Volume 29, Number 3, May / June 1981

Volume 29, Number 4, July / August 1981

Volume 29, Number 5, September / October 1981

Volume 29, Number 6, November / December 1981

maintained by Schloss Dagstuhl LZI at University of Trier