TY  - BOOK
AU  - Kells, Lyman M.
AU  - Kern, Willis F.
AU  - Bland, James R.
TI  - Navigation
U1  - 527.02 
PY  - 1943///
CY  - New York
PB  - McGraw-Hill
N1  - Includes index; Contents:pt.2.Celestial navigation and nautical astronomy
ER  -