Bl-Lacertae Objects as X-Ray Sources - the EXOSAT Observations
DOI: 10.1007/BFb0031173
Bibcode: 1989LNP...334..281M
Maccagni, D.; Giommi, P.; Garilli, B.; Barr, P.; Pollock, A.
Italy, Netherlands
1989
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BL Lac Objects
Exosat
14