The future of the international latitude service 
edited by Paul  Melchior                                       
 -  Observatoire Royal De Belgeique  1960 
 - 97p. 
 - IAU Symposium; no.13 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Geodesy
<br/><br/><label>Universal Decimal Class. No.: </label>082.2:52  / IAU-S13