Exploring the inner region of type 1 AGNs with the Keck interferometerM. Kishimoto, S. F. Hönig, R. Antonucci, T. Kotani, R. Barvainis, K. R. W. Tristram and G. WeigeltA&A, 507 3 (2009) L57-L60DOI: https://doi.org/10.1051/0004-6361/200913512
