TY  - BOOK
AU  - Seidelmann,P.Kenneth
ED  - United States Naval Observatory.
ED  - Great Britain.
TI  - Explanatory supplement to the Astronomical almanac
SN  - 0935702687
AV  - QB8.U6 E95 1992
U1  - 528 20
PY  - 1992///
CY  - Mill Valley
PB  - University Science Books
KW  - Nautical almanacs
N1  - "A revision to the Explanatory supplement to The Astronomical ephemeris and The American ephemeris and nautical almanac."; Includes bibliographical references and index
ER  -