Αστρομετρία: Διαφορά μεταξύ των αναθεωρήσεων

* Jean Kovalevsky & P. Kenneth Seidelman: '''''Fundamentals of Astrometry''''', Cambridge University Press, 2004, ISBN 0-521-64216-7.

* {{cite web | url = http://www.astro.virginia.edu/~rjp0i/museum/engines.html | title = Hall of Precision Astrometry | publisher = University of Virginia Department of Astronomy | language = English | accessdate = 2006-08-10 }}

== Δείτε επίσης ==

{{Πύλη|Αστρονομία|P space.png}}