"The Hertzsprung-Russell diagram. Proceedings of the IAU symposium No. 10, Moscow, August 15-16, 1958"
INTERNATIONAL ASTRONOMICAL UNION SYMPOSIUM (10th
"The Hertzsprung-Russell diagram. Proceedings of the IAU symposium No. 10, Moscow, August 15-16, 1958" - Reprinted from Annuales d'Astrophysique 1959 - Hbk 127 p. - Mezzanine Floor .
"The Hertzsprung-Russell diagram. Proceedings of the IAU symposium No. 10, Moscow, August 15-16, 1958" - Reprinted from Annuales d'Astrophysique 1959 - Hbk 127 p. - Mezzanine Floor .