Skopal, Augustin «How to understand the light curves of symbiotic stars». Journal of the American Association of Variable Star Observers, 36, 1, 08-05-2008, pàg. 9. arXiv: 0805.1222. Bibcode: 2008JAVSO..36....9S.
Sokoloski, J. L. «Symbiotic Stars as Laboratories for the Study of Accretion and Jets: A Call for Optical Monitoring». Journal of the American Association of Variable Star Observers, 31, 2, 20-06-2003, pàg. 89–102. arXiv: astro-ph/0403004. Bibcode: 2003JAVSO..31...89S.
Samus, N. N.; Durlevich, O. V. «VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)». VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S, 1, 2009. Bibcode: 2009yCat....102025S.
Skopal, Augustin «How to understand the light curves of symbiotic stars». Journal of the American Association of Variable Star Observers, 36, 1, 08-05-2008, pàg. 9. arXiv: 0805.1222. Bibcode: 2008JAVSO..36....9S.
Sokoloski, J. L. «Symbiotic Stars as Laboratories for the Study of Accretion and Jets: A Call for Optical Monitoring». Journal of the American Association of Variable Star Observers, 31, 2, 20-06-2003, pàg. 89–102. arXiv: astro-ph/0403004. Bibcode: 2003JAVSO..31...89S.