145 citations · 257 across the 6 of their papers we have counts for
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astro-ph2008★ 145 cited
Absorption of 10--200 Gev Gamma Rays by Radiation from BLR in Blazars
H. T. Liu, J. M. Bai
In this paper, we study the photon-photon pair production optical depth for gamma-rays with energies from 10 to 200 GeV emitted by powerful blazars due to the diffuse radiation fie…
astro-ph1998★ 26 cited
The infrared and optical variability of OJ 287
J. H. Fan, G. Adam, G. Z. Xie +7
In this paper, the long-term historical optical (UBVRI) and near-infrared (JHK) data are presented with some new observations in the optical (February 1994-January 1995) and near-i…