Introduction to Binary Stars Steve B. Howell NOAO.
Paper - A Method for Determining Astronomical Latitude and Longitude by Observing Only Time and Angles - J C Bhattacharji - 1959
30.3 Star Groups. Constellations Constellations: patterns of stars and the region of space around them. Standard set of 88 constellations set by group.
Introduction to Binary Stars
Precision Stellar astrophysics with song
