Frost, A. Practical navigation for officers of the watch / A. Frost. - Reprinted ed. - Glasgow : Brown, Son & Ferguson, Ltd., 2006. - VII, 338 p. ; 22 cm. ISBN: 9780851747071 0851747071 Subjects--Topical Terms: Żegluga -- poradniki. Dewey Class. No.: 623.89 / FRO