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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. June 20, 2003, 31 (2): 89–102. Bibcode:2003JAVSO..31...89S. arXiv:astro-ph/0403004.
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Skopal, Augustin. How to understand the light curves of symbiotic stars. Journal of the American Association of Variable Star Observers. 8 May 2008, 36 (1): 9. Bibcode:2008JAVSO..36....9S. arXiv:0805.1222.
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. June 20, 2003, 31 (2): 89–102. Bibcode:2003JAVSO..31...89S. arXiv:astro-ph/0403004.