Vidučić, V., G. Jelić-Mrčelić, and M. Penović-Buble. “The Worldwide Tanker Shipping Market (2010 – 2020) Information Model”. Transactions on Maritime Science, vol. 4, no. 2, Oct. 2015, pp. 127-31, doi:10.7225/toms.v04.n02.004.