Omega propagation correction tabels :  for 10.2 kHz, area 02 Central U.S.S.R. Station B (Liberia) 

 - Washington, D.C. :  United States Department of Defense mapping agency,  1981 
 - x,40 p. ;  27 cm. 
<br/><br/> Pub.224 (102-C) B 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oceanography--Arctic Ocean<br/>Arctic Ocean--Congresses
<br/><br/><label>Dewey Class. No.: </label>551.468