---Astron. Astroph. 314, 87 Abs.
Optical monitoring of the BL Lacertae object PKS 0422+004 in the 1994/95 autumn-winter.
/ Massaro, E., et al. - ( 20 / 5)
---Astron. Astroph. Sup. 120, 313 Abs.
Monitoring of 3C 66A during an extended outburst. I. The light curves.
/ Takalo, L. O., et al. - ( 49 / 5)
---Astroph. J. 463, 444 Abs.
On the Spectral Energy Distributions of Blazars
/ Sambruna, R. M., Maraschi, L., & Urry, C. M. - ( 145 / 5)
---Astron. Astroph. 295, 1 Abs.
A historical light curve of ON 231 and its periodic analysis
/ Liu, F. K., Xie, G. Z., & Bai, J. M. - ( 26 / 4)
---Astron. Astroph. Sup. 117, 475 Abs.
Automatic optical monitoring of 10 blazars.
/ Fiorucci, M. & Tosti, G. - ( 60 / 4)
---Astron. J. 111, 1065 Abs.
CCD Photometry of 12 BL Lacertae Objects
/ Xie, G. Z., Zhang, Y. H., Li, K. H., Liu, F. K., Wang, J. C., & Wang, X. M. - ( 16 / 3)
---Astroph. Space Sc. 235, 255 Abs.
The Optical Variability of the Seyfert Galaxies NGC 4051 and NGC 1068
/ Zhang, Y. H., Xie, G. Z., Cao, S. L., Li, K. H., Wang, J. C., & Ye, B. X. - ( 23 / 2)