@conference{Freuder90a, author = "P. Snow and E.C. Freuder", booktitle = "Proc. of the 8$^th$ biennal conf. of the canadian society for comput. studies of intelligence", month = "may", pages = "227-230", title = "{I}mproved {R}elaxation and {S}earch {M}ethods for {A}pproximate {C}onstraint {S}atisfaction with a {M}aximin {C}riterion", year = "1990", }