1997
M.Sc.: Puss A. Spectroscopic Study of the Interacting Binary Atar AX Monocerotis. Tartu University, 53 pp. (In Estonian)
Supervisor Ph.D. L. Leedjärv. Referents: Ph.D. I. Kolka, D.Sc. P. Tenjes. Defended on 16.06.1997.