There has been data ("Marine Navigation: Proceedings of the 12th International Conference on Marine Navigation and Safety of Sea Transportation (TransNav 2017), June 21-23, 2017, Gdynia, Poland - ISBN-13 978-1-351-58217-9") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Fri Feb 7 10:37:33 2020, so the data displayed here has been removed .