HOLMGREN, D. Searching for forced oscillations in early-type binary system. Some recent results. In: CHOCHOL, D.- Skopal, A.,, PRIBULLA, T., eds. Physical Processes in Interacting Binaries. Proceedings of the 19th Stellar Conference.. Tatranská Lomnica: Astronomical Institute of the Slovak Academy of Sciences, 1996, s. 20-23.