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Infrared photometry of the x-ray stars in cygnus OB2(VI Cygni): Preliminary results
P. Persi, M. Ferrari-Toniolo, G. L. GrasdalenVolume:
30
Year:
1981
Language:
english
Pages:
6
DOI:
10.1007/bf01246020
File:
PDF, 230 KB
english, 1981