HISTORICAL

• The Nature of V838 Mon and its Light Echo. La Palma Conference. 16-19 May 2006. Spain (September, 2005)
• The orbital period of CI Cam (XTE J0421+560) (February, 2005)
• KV UMa = XTE J1118+48: Recurrent outburst of this X-ray nova in January, 2005. (January, 2005)
• International Conference on Classical Nova Explosion. 20-24 May, 2002. Sidges (Barselona), Spain
• The Physics of Cataclysmic Variables and Related Objects. 5-10 August, 2001. Georg-August-Univetsitat Goettingen. Germany
• Radial and Nonradial Pulsations as Probes of Stellar Physics. IAU Coll. 185. 26-31 July, 2001. Catholic University of Leuven, Belgium
• V723 Cas: CCD monitoring shows both earlier unknown orbital and oscillation periodicity. (May, 2000)
• GY Cnc = RXJ0909.8+1849: deep eclipses of UGSU variable in the outburst. (May, 2000)
• V4641 Sgr: old photometry of this X-ray source counterpart fits also several long periods. (September, 1999)