Interstellar Dust and Related Topics

Solar gamma-, X-, and EUV radiation

Proceedings of the sixteenth General assembly, Grenoble, 1976

X- And Gamma-Ray Astronomy

Transactions of the International Astronomical Union Vol. 14b

Planetary Nebulae

Physics and Dynamics of Meteors:Proceedings of the I.A.U. Symposium, No. 33, Tatransks, Lomnica, Czechoslovakia, 1967

Transactions of the International Astronomical Union:Reports on Astronomy

Wolf-Rayet and High-Temperature Stars

Ultraviolet Stellar Spectra and Related Ground-Based Observations

Continental Drift