TY  - BOOK
ED  - United States.
TI  - Omega propagation correction tabels: for 10.2 kHz, area 25 South Polar Station B (Liberia)
U1  - 551.468 
PY  - 1980///
CY  - Washington, D.C.
PB  - United States Department of Defense mapping agency
KW  - Oceanography
KW  - Arctic Ocean
KW  - Congresses
N1  - Pub.224 (125-C) B
ER  -