INTERNATIONAL JOURNAL OF PRODUCTION ECONOMICS, vol. 153, page. 204 - 214, 2014-07
THEORETICAL COMPUTER SCIENCE, vol. 412, no. 39, page. 5211 - 5224, 2011-09-09
4OR-A QUARTERLY JOURNAL OF OPERATIONS RESEARCH, vol. 8, no. 4, page. 331 - 364, 2010-12