TY  - SER
AU  - Bowditch,Nathaniel
AU  - Bowditch,Jonathan Ingersoll
ED  - United States.
TI  - American practical navigator
AV  - VK555 .A48
PY  - 1962///
CY  - Washington
PB  - U. S. Navy
KW  - Navigation
KW  - Nautical astronomy
N1  - available on CD-ROM
ER  -