Port, Andy Du.
Reeds astro navigation tables / Andy Du Port. - 2015 ed. - 68 p. ; 30 cm.
9781472913500
Nautical astronomy.
Nautical charts.
Navigation.
Reeds astro navigation tables / Andy Du Port. - 2015 ed. - 68 p. ; 30 cm.
9781472913500
Nautical astronomy.
Nautical charts.
Navigation.