Astronomical phenoma for the year 1993 /
Astronomical phenoma for the year 1993 /
prepared jointly by The Nautical Almanac Office United Stats Naval Observatory and Her Majesty's Nautical Almanac Office Royal Greenwich Observatory.
- Wash. : Government Printing Office, c1991.
- 76 pages ; 25 cm
0160359228
Astronomy--Periodicals.
NAUTICAL ASTRONOMY.
NAUTICAL CHARTS.
Astronomy
Q39 / As8 1991
0160359228
Astronomy--Periodicals.
NAUTICAL ASTRONOMY.
NAUTICAL CHARTS.
Astronomy
Q39 / As8 1991