TY  - BOOK
ED  - United States Naval Observatory.
ED  - Great Britain.
TI  - Astronomical phenomena for the year ..
SN  - 0083-2421
AV  - QB9 .U55
U1  - 525/.5 19
PY  - 1950///-
CY  - Washington
PB  - The Office, For sale by the Supt. of Docs., U.S. G.P.O.
KW  - Astronomy
KW  - Periodicals
KW  - Local
ER  -