Indications on the binary nature of individual stars derived from a comparison of their HIPPARCOS proper motions with ground-based data: I. Basic principles - Wielen, Roland; Dettbarn, Christian; Jahreiß, Hartmut; Lenhardt, Helmut; Schwan, Heiner (Astronomy and astrophysics, 1999)
Gesehen am 29.10.2013