Morahan, Emmet Oliver An investigation into the perceptions of seafarers to the hazards presented by ships' lifeboats / Emmet Oliver Morahan. - x, 66 pages : color illustrations ; 30 cm - B.Sc. (Hons) Nautical Science . Includes bibliographical references. Subjects--Topical Terms: Lifeboats Dewey Class. No.: B.Sc. Nautical Science