Cotter, Charles H The elements of navigation and nautical astronomy a text-book for cadets / by Charles H. Cotter. - Glasgow : Brown, Son & Ferguson 1977 - xviii, 463 p. : ill. 25 cm. With answers to exercises and Index. ISBN: 9780851745435 LC Class. No.: VK 155 .C68 1977 Dewey Class. No.: VK 155 .C68 1977 National Library of Medicine Call No.: VK 155 .C68 1977