ASPCS
 

Siebert, J.

Volume Paper Title Page Number Authors
113 ROSAT Observations of Radio Quasars: Unification of Flat and Steep-Spectrum Sources? 475 Yuan, W.; Brinkmann, W.; Siebert, J.
159 ROSAT Observations of PKS 2155-304 168 Brinkmann, W.; Siebert, J.
159 Four New BL Lac Surveys: Sampling New Populations 499 Laurent-Muehleisen, S. A.; Becker, R. H.; Brinkmann, W.; Siebert, J.; Feigelson, E. D.; Kollgaard, R. I.; Schmidt, G. D.; Smith, P. S.