Carrasco L.; Serrano A.; Tovmassian H. M.; Stepanian J. A.; Chavushyan V. H.; Erastova L. K. (). „Spectral observations of faint Markarian galaxies of the Second Byurakan Survey”. Astronomical Journal. 113: 1527–1536. Bibcode:1997AJ....113.1527C. doi:10.1086/118370. WikidataQ66710275.
Carrasco L.; Serrano A.; Tovmassian H. M.; Stepanian J. A.; Chavushyan V. H.; Erastova L. K. (). „Spectral observations of faint Markarian galaxies of the Second Byurakan Survey”. Astronomical Journal. 113: 1527–1536. Bibcode:1997AJ....113.1527C. doi:10.1086/118370. WikidataQ66710275.
Carrasco L.; Serrano A.; Tovmassian H. M.; Stepanian J. A.; Chavushyan V. H.; Erastova L. K. (). „Spectral observations of faint Markarian galaxies of the Second Byurakan Survey”. Astronomical Journal. 113: 1527–1536. Bibcode:1997AJ....113.1527C. doi:10.1086/118370. WikidataQ66710275.