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Multifrequency observations of the extreme X-ray weak quasar PG0043+039
DOI: 10.22323/1.250.0030 Bibcode: 2015salt.confE..30K

Schartel, N.; Kollatschny, W.; Zetzl, M.

2015 SALT Science Conference 2015 (SSC2015)
XMM-Newton 0