There has been data ("Progress in Maritime Technology and Engineering: Proceedings of the 4th International Conference on Maritime Technology and Engineering (MARTECH 2018), May 7-9, 2018, Lisbon, Portugal") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Tue Jan 28 02:50:56 2020, so the data displayed here has been removed .