Jones Colin 1936 Yachtsman's GPS handbook : a guide to the Global Positioning System of satellite navigation / Colin Jones. - Shrewsbury : Waterline, 1995. - 139 p : ill. ; 22 cm. ISBN: 1853104701 Subjects--Topical Terms: Global Positioning SystemArtificial satellites in navigation LC Class. No.: G109.5 Dewey Class. No.: 623.89