A travelling salesman model for the sequencing of duties in bus crew rotas Vasconcelos Ferreira Campos Guimaraes Publication Journal: Journal of the Operational Research Society Year of Publication: 1995 Volume: 46 Issue: 4 Pagination: 415-426 Identifiers Other Numbers: 2-s2.0-84974869034 Alternative titles DOIGoogle ScholarBibTeXRIS Locators