Ralph Becker-Heins VOYAGE PLANNING WITH ECDIS PRACTICAL GUIDE FOR NAVIGATORS - Lemmer Geomares Publishing 2016 - Paper Pack 192 p. : ill 23 cm. ISBN: 9789082581805 Subjects--Topical Terms: Shipping.navigate LC Class. No.: VK587 .B3951 2016 Dewey Class. No.: VK587 .B3951 2016 National Library of Medicine Call No.: VK587 .B3951 2016