TY  - BOOK
AU  - Nilson,Peter
TI  - Uppsala general catalogue of galaxies: data for 12,921 galaxies north of [Greek small letter delta] =-2⁰30ʹ 
T2  - Nova acta Regiae Societatis scientiarum Upsaliensis ; ser.5. A.1
SN  - 9155400647 :
AV  - QB857 .N54
U1  - 523.1/12/0212 
PY  - 1973///
CY  - Stockholm
PB  - Almqvist & Wiksell (distr.)
KW  - Galaxies
KW  - Catalogs
ER  -