1、 Liu H. T. & Bai J. M., Absorption of 10—200 GeV Gamma Rays by Radiation from Broadline Regions in Blazars, ApJ, 2006, 653(2), 1089-1097

2、 Liu H. T., Bai J. M., Zhao X. H., & Ma L., Tests for Standard Accretion Disk Models by Variability in Active Galactic Nuclei, ApJ, 2008, 677(2), 884-894

3、 Liu H. T., Bai J. M., & Wang J. M., Locating positions of -ray-emitting regions in blazars, MNRAS, 2011, 414(1), 155-166

4、 Liu H. T., Bai J. M., Feng H. C., & Li S. K., Revisiting correlations between broad-line and jet emission variations for AGNs: 3C 120 and 3C 273, MNRAS, 2015, 450(1), 494-503

5、Liu H. T., Feng H. C., & Bai J. M., A new method to measure the virial factors in the reverberation mapping of active galactic nuclei, MNRAS, 2017, 466(3), 3323-3330

6、Liu H. T., Feng Hai-Cheng, Li Sha-Sha, & Bai J. M., Measuring the Virial Factor in SDSS DR5 Quasars with Redshifted H and Fe II Broad Emission Lines, ApJ, 2022, 928(1), article id. 60