TY  - BOOK
AU  - Duculot, J.
TI  - A general catalogue of UBV photometry: tables-4 (Coded numbering system) film no. 5/5.(Microfiche)
CY  - Belgique
PB  - Gembloux
KW  - Astronomy and astrophysics thesaurus
KW  - Photometric catalog
KW  - Star catalogs
ER  -