TY - BOOK ED - 3G E-Learning. TI - Essential seamanship SN - 9781680955132 AV - CIR VK 543 T47 2017 U1 - 623.88 20 PY - 2017/// CY - USA PB - 3G E-Learning KW - Seamanship KW - Boats and boating N1 - Includes bibliographical references and index ER -