Dubois, N.de Werra, D.2006-08-162006-08-162006-08-16199310.1016/0898-1221(93)90279-5https://infoscience.epfl.ch/handle/20.500.14299/233022EPCOT : an Efficient Procedure for Coloring Optimally with Tabu searchtext::journal::journal article::research article