Authors: Ohnaka, K Balega, Y Blocker, T Efimov, YS Hofmann, KH Ikhsanov, NR Shenavrin, VI Weigelt, G Yudin, BF

Citation: K. Ohnaka et al., Diffraction-limited speckle interferometry and modeling of the circumstellar envelope of R CrB at maximum and minimum light, ASTRON ASTR, 380(1), 2001, pp. 212-220

Authors: Doroshenko, VT Efimov, YS Rosenbush, AE

Citation: Vt. Doroshenko et al., UV Cas: Photometry, polarization, and spectrum near maximum light, ASTRON LETT, 26(7), 2000, pp. 460-472

Authors: Clark, JS Miroshnichenko, AS Larionov, VM Lyuty, VM Hynes, RI Pooley, GG Coe, MJ McCollough, M Dieters, S Efimov, YS Fabregat, J Goranskii, VP Haswell, CA Metlova, NV Robinson, EL Roche, P Shenavrin, VI Welsh, WF

Citation: Js. Clark et al., Photometric observations of the radio bright B[e]/X-ray binary CI Cam, ASTRON ASTR, 356(1), 2000, pp. 50-62

Authors: Massaro, E Maesano, M Montagni, F Nesci, R Tosti, G Fiorucci, M Luciani, M Takalo, LO Sillanpaa, A Katajainen, S Keinanen, P Pursimo, T Villata, M Raiteri, CM De Francesco, G Sobrito, G Efimov, YS Shakhovskoy, NM

Citation: E. Massaro et al., The extraordinary optical outburst of ON 231 (W Com) in spring 1998, ASTRON ASTR, 342(3), 1999, pp. L49-L52

Authors: Petrov, PP Zajtseva, GV Efimov, YS Duemmler, R Ilyin, IV Tuominen, I Shcherbakov, VA

Citation: Pp. Petrov et al., Brightening of the T Tauri star RY Tauri in 1996 - Photometry, polarimetryand high-resolution spectroscopy, ASTRON ASTR, 341(2), 1999, pp. 553-559