Olsen, Jann M AN INTRODUCTION TO GMDSS REVISED GOC EDITION / JANN M. OLSEN, TOR R. KRISTENSEN - Leknes, Norway Poseidon 1988 - Paper Pack 222p. 30cm ISBN: 97882035320 LC Class. No.: VK397 .O47 1998 Dewey Class. No.: VK397 .O47 1998 National Library of Medicine Call No.: VK397 .O47 1998