@conference {aras2010location, title = {Location and selective routing problem with pricing for the collection of used products}, booktitle = {Computers and Industrial Engineering (CIE), 2010 40th International Conference on}, year = {2010}, pages = {1{\textendash}6}, publisher = {IEEE}, organization = {IEEE}, author = {Necati Aras and Aksen, Deniz and Tekin, Tugrul} }