Navigation for yachtsmen.
Blewitt, Mary
Navigation for yachtsmen. - 3rd. rev. ed. - London - 101p.
navigation for yachtsmen Navigation Nautical astronomy Aeronautical astronomy
527:629.125.12
Navigation for yachtsmen. - 3rd. rev. ed. - London - 101p.
navigation for yachtsmen Navigation Nautical astronomy Aeronautical astronomy
527:629.125.12