Olsen, Jann M An introduction to GMDSS revised GOC edition / Jann M. Olsen, Tor R. Kristensen - Leknes, Norway Poseidon 1998 - 222p. 30cm Includes bibliographical references and index 222 ISBN: 8299265061 LC Class. No.: VK397 .O47 1998 Dewey Class. No.: VK397 .O47 1998 National Library of Medicine Call No.: VK397 .O47 1998