TY  - BOOK
AU  - Shute, William G.  
AU  - Shirk, William W.  Porter, George F.  Hemenway, Courtenay 
TI  - An introduction to navigation and nautical astronomy
PY  - 1944///
CY  - New York
PB  - Macmillan
KW  - Nautical AstronomyNavigational Astronomy
ER  -