Walter, Hans G <br/><br/>
Astrometry of fundamental catalogues  the evolution from optical to radio reference frames 
Hans G. Walter and Ojars J. Sovers                                               
 - Berlin  Springer-Verlag  2000 
 - xiv, 231p. 
 - Astronomy and astrophysics library .
<br/><br/><label>ISBN: </label>3-540-67436-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrometry
<br/><br/><label>Universal Decimal Class. No.: </label>521.9  / WAL