Co-ordination of galactic research 
edited by Adriaan Blaauw 
 - England  Cambridge University Press  1955 
 - viii, 58p. 
 - IAU Symposium; no. 1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Galactic center<br/>Galactic co-ordinate system
<br/><br/><label>Universal Decimal Class. No.: </label>082.2:52  / IAU-S1