The stellar content of soft X-ray surveys: II. Cross-correlation of the ROSAT all-sky survey with the tycho and hipparcos catalogs
Journal article published in 1999 by
P. Guillout,
Jhmm H. M. M. Schmitt,
D. Egret 
,
W. Voges,
C. Motch,
M. F. Sterzik
,
W. Voges,
C. Motch,
M. F. Sterzik
