Swanton, Cian A comparison of watchkeeping patterns and the impact on the deck operations of an offshore vessel / Cian Swanton. - 68 pages : color illustrations, tables ; 30 cm - B.Sc. (Hons) Nautical Science . Includes bibliographical references. Subjects--Topical Terms: Merchant marine--Watch dutyMarine engineering--Human factorsWork-life balance Dewey Class. No.: B.Sc. Nautical Science