Favio Raúl Faifer; Escudero C. G.; Bassino L. P.; Calderon J. P.; Caso J. P. (). „The extremely populated globular cluster system of the lenticular galaxy NGC 6861”. Monthly Notices of the Royal Astronomical Society (în engleză). 449: 612–628. arXiv:1502.05986. Bibcode:2015MNRAS.449..612E. doi:10.1093/MNRAS/STV283. WikidataQ69105332.
Favio Raúl Faifer; Escudero C. G.; Bassino L. P.; Calderon J. P.; Caso J. P. (). „The extremely populated globular cluster system of the lenticular galaxy NGC 6861”. Monthly Notices of the Royal Astronomical Society (în engleză). 449: 612–628. arXiv:1502.05986. Bibcode:2015MNRAS.449..612E. doi:10.1093/MNRAS/STV283. WikidataQ69105332.
Favio Raúl Faifer; Escudero C. G.; Bassino L. P.; Calderon J. P.; Caso J. P. (). „The extremely populated globular cluster system of the lenticular galaxy NGC 6861”. Monthly Notices of the Royal Astronomical Society (în engleză). 449: 612–628. arXiv:1502.05986. Bibcode:2015MNRAS.449..612E. doi:10.1093/MNRAS/STV283. WikidataQ69105332.
Favio Raúl Faifer; Escudero C. G.; Bassino L. P.; Calderon J. P.; Caso J. P. (). „The extremely populated globular cluster system of the lenticular galaxy NGC 6861”. Monthly Notices of the Royal Astronomical Society (în engleză). 449: 612–628. arXiv:1502.05986. Bibcode:2015MNRAS.449..612E. doi:10.1093/MNRAS/STV283. WikidataQ69105332.