The fireball of April 3, 1949 /

Autor Heard, J. F.
Vydáno 1949

The spectrum of gamma Cassiopeiae /

Autor Heard, J. F.
Vydáno 1938

Spectrographic orbit and photometric observations of H.D.217312 in the III Cephei associations /

Autor Heard, J. F., Fernie, J. D., 1933-

Determination of radial velocities and their applications : International astronomical union Symposium No. 30 held in Canada, 20-24 June 1966 /

Vydáno 1967