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papers
Publications (2)
astro-ph
1997
On the nature of the X-ray absorption in the Seyfert 2 galaxy NGC 4507
A. Comastri, C. Vignali, M. Cappi +4
astro-ph
1997
Highly Ionized Neon in the Spectrum of the Sey 2 Galaxy NGC 4507 ?
C. Vignali, R. Audano, A. Comastri +2