Anwar, Nadeem. Navigation advanced for mates/masters / Anwar, Nadeem. - 2nd ed. - Scottland, UK: Witherby Publishing Group Ltd, c2015. - 386 pages : ill., col. 29 cm. ISBN: 9781856096270 Subjects--Topical Terms: Navigation--Advanced LC Class. No.: CIR VK 541 / A59 2015