KOUBSKÝ, Pavel, HARMANEC, Petr, BOŽIĆ, H., PERCY, J. R., ŽIŽŇOVSKÝ, J., HUANG, L., RICHARDS, M. T., HADRAVA, Petr, ŠIMON, Vojtěch. Spectroscopy and photometry of the interacting binary CX Draconis - evidence for circumstellar matter. Hvar Observatory Bulletin. 1998, 22(-), 17-36. ISSN 0351-2657.