A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
A Marinucci, G Risaliti, J Wang, S Bianchi, M Elvis, G Matt, E Nardini, Andrea Marinucci, Roma Tre. "Introduction NGC 4507 Physical discussion X-ray absorption variability in NGC 4507." (2011)