A. Steffen (2)

Identifiers

• name variant A. Steffen (2) 0.60 · backfill

Papers (1)

1. The Realm of the First Quasars in the Universe: the X-ray View astro-ph · 2007 · author #4

Mentions

• 0704.1299 #4 · backfill · confidence 0.70 A. Steffen (2)

Frequent Coauthors

• 4) (Dipartimento di Astronomia 1 shared papers
• Astrophysics 1 shared papers
• C. Vignali (1) 1 shared papers
• D.P. Schneider (2) 1 shared papers
• Haifa 1 shared papers
• Israel) 1 shared papers
• Israel; (4) Physics Department 1 shared papers
• Italy; (2) Department of Astronomy 1 shared papers
• O. Shemmer (2) 1 shared papers
• Pennsylvania State University 1 shared papers
• S. Kaspi (3 1 shared papers
• Technion 1 shared papers
• Tel Aviv University 1 shared papers
• Universita' di Bologna 1 shared papers
• University Park 1 shared papers
• USA; (3) Wise Observatory 1 shared papers
• W.N. Brandt (2) 1 shared papers