International Astronomical Union combined colloquium of the Commissions 27 and 42, Bamberg, 1965, August 11-14, with the theme, The position of variable stars in the Hertzsprung-Russell diagram : 3rd Colloquium on Variable Stars, Bamberg, 1965
(Veröffentlichungen der Remeis-Sternwarte Bamberg, Astronomisches Institut der Universität Erlangen-Nürnberg, Bd. 4,
Remeis-Sternwarte, 1965?]
English or German
Includes bibliographical references
Remeis-Sternwarte Bamberg, Astronomisches Institut der Universität Erlangen-Nürnberg