Duculot, J. <br/><br/>
A general catalogue of UBV photometry  table 1 coded numbering system Film no. 1/5; Table 2 - Bibliography. 
J. Duculot         
 - Belgique  Gembloux 
 - [various pagings.] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>UBV photometry, General catalogue, Bibliography, Coded numbering system
<br/><br/><label>Universal Decimal Class. No.: </label>083.8:52  / DUC-1