@article{Psaraftis_2014,
title={Ship speed optimization: Concepts,
models and combined speed-routing scenarios},
volume={44},
ISSN={0968-090X},
url={http://dx.doi.org/10.1016/j.trc.2014.03.001},
DOI={10.1016/j.trc.2014.03.001},
journal={Transportation Research Part C: Emerging Technologies},
publisher={Elsevier BV},
author={Psaraftis,
Harilaos N. and Kontovas,
Christos A.},
year={2014},
month=July,
pages={52–69} }