Micevski, B. 1993. Structure, dynamics and energetics of the ornithocenosis in the Italian and Turkey oak forest ecosystem (Quercettum frainetto-cerris Oberdorfer 1948 em, Horvat 1959) in the NP Galičica (Macedonia). Macedonian Journal of Ecology and Environment. 1, 1-2 (Dec. 1993), 19–29.