Rydgren, A. E.: Observations of young stars in the association Chamaeleon T1. In: Astronomical Journal. Band85, April 1980, S.444–450, doi:10.1086/112694, bibcode:1980AJ.....85..444R.
Rydgren, A. E.: Observations of young stars in the association Chamaeleon T1. In: Astronomical Journal. Band85, April 1980, S.444–450, doi:10.1086/112694, bibcode:1980AJ.....85..444R.