TY  - BOOK
T1  - Explanatory Supplement to The Astronomical Ephemeris and The American Ephemeris and Nautical Almanac prepared jpintly by the Nautical Almanac Offices of the United Kingdom and The United States of America
LA  - English
PP  - London
PB  - Her Majesty's Stationery Office
YR  - 1961
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/das.1862
OP  - 505
KW  - Astrometría
KW  - astrometría
ER  -