00311nam a2200109Ia 4500008005200000082001600052100003300068245002600101250001200127260004700139300001500186200103s 1979 ||||xx |||||||||||||| ||und|| a626.01bTHN aThe Hydrographer of the Navy 4aThe Mariners Handbook a5th Ed. bThe Hydrographer of the Navyc1979aLondon avii, 163p.