@inproceedings{TakBorLoe-WM-00,
title = {Dealing with additional constraints in the $k$-shortest path problem},
author = {Tuomo Takkula and Ralf Bornd{\"o}rfer and Andreas M. L{\"o}bel},
booktitle = {Proc. Chalmers Winter Meeting},
year = {2000},
url = {http://www.cs.chalmers.se/~ilya/WM2000/proceedings.html}}