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3. Ball Aerospace & Technologies Corp.: CT-602 Star Tracker, Brochure, Ball Aerospace Systems Division, P.O. Box 1062, Boulder, Colorado 80306-1062.
4. V.C. Thomas; J.W. Alexander; E.W.Dennison; P.Waddell: Cassini star tracking and identification architecture, SPIE Proceedings 2221 p. 15–26.
5. R.H. van Bezooijen: True sky demonstration of an autonomous star tracker, SPIE Proceedings 2221 p. 156–168.