Sidney B.Parsons.New and Confirmed Triple Systems with Luminous Cool Primaries and Hot Companions.„The Astronomical Journal”.127(5),s.2915–2930,2004. DOI: 10.1086/383546. Bibcode:2004AJ....127.2915P.(ang.).
Sidney B.Parsons.New and Confirmed Triple Systems with Luminous Cool Primaries and Hot Companions.„The Astronomical Journal”.127(5),s.2915–2930,2004. DOI: 10.1086/383546. Bibcode:2004AJ....127.2915P.(ang.).