Routing methods : principles for handling multiple travelling salesman problems /
by Yngve Boye.
- Lund : Royal University of Lund ,Dept. of Geography ,, 1965.
- 23, [1]p. : ill.
- Lund studies in geography : Ser C. : general and mathematical geography ; no. 5. .
"Simultaneously published in Meddelanden fran Goteborgs universitets geografiska institution ,80.