@inproceedings{bbdfv-tsp-07,
author = {Sergey Bereg and Prosenjit Bose and Adrian Dumitrescu and Ferran Hurtado and Pavel Valtr},
title = {Traversing a Set of Points with a Minimum Number of Turns},
booktitle = {Proc. 23th Annu. ACM Sympos. Comput. Geom.},
year = {2007},
pages = {46--55}
}