@article{doi:, author = {Öztürk, Emin}, title = {Operational Measures For Energy Efficiency In Shipping}, journal = {JEMS Maritime Sci}, volume = {1}, number = {2}, pages = {65-72}, year = {2013}, doi = {}, note ={doi: }, URL = {https://dx.doi.org/}, eprint = {https://dx.doi.org/} }