Discovery of a very red nucleus in the radio elliptical IC5063 (PKS2048 − 57)
                
    Axon, D.J., Bailey, J. and Hough, J.
  
(1982)
Discovery of a very red nucleus in the radio elliptical IC5063 (PKS2048 − 57).
    Nature (5880).
     pp. 234-236.
     ISSN 0028-0836