Hard X-ray luminosity function and absorption distribution of nearby AGN: INTEGRAL all-sky surveyS. Sazonov, M. Revnivtsev, R. Krivonos, E. Churazov and R. SunyaevA&A, 462 1 (2007) 57-66DOI: https://doi.org/10.1051/0004-6361:20066277
