TY  - BOOK
ED  - United States.
ED  - United States.
ED  - United States.
ED  - United States Naval Observatory.
TI  - Astronomical phenomena for the year 1978
SN  - 0083-2421
U1  -  525.5 
PY  - 1974///
CY  - Washington
PB  - The Department
KW  - Astronomy
KW  - Nautical astronomy
KW  - Nautical charts
KW  - ASTRONOMY
ER  -