An introduction to the study of eclipsing variables
Kopal, Zdenek
An introduction to the study of eclipsing variables - Cambridge: Harvard University Press 1946 - x, 220p. : il; 22 cm.
Astrofísica y Astronomía Descriptiva
Rstrellas binarias eclipsantes
An introduction to the study of eclipsing variables - Cambridge: Harvard University Press 1946 - x, 220p. : il; 22 cm.
Astrofísica y Astronomía Descriptiva
Rstrellas binarias eclipsantes