@inproceedings\{Salmela2015,
 author={Leena Salmela and  Kristoffer Sahlin and  Veli Mäkinen and  Alexandru I. Tomescu:},
 title={{Gap Filling as Exact Path Length Problem}},
 booktitle={RECOMB 2015},
 pages={281--292},
 year={2015},
 publisher={Springer}
}