Spectral classification of the future
Subtitle: International Astronomical Union Colloquium 47 commemorating  the 100th anniversary of the death of Angelo Secchi, S.J.
By: edited by M.F. McCarthy, A.G.D. Philip, G.V. Coyne.
Series: Ricerche astronomiche ; v. 9
Publisher: Vatican Observatory
Published: 1979
Place of publication: Città del Vaticano : Vatican Observatory, 1979
Language: eng
Number of pages: 575