Karakaş, S., Aydın, H., Kafadar, H., Çakmak, E.D., Irak, M., Erzengin, Ö.U., Bekçi, B. (2000). Auditory information processing during sleep 1-4 and REM. In: U. Halıcı, K. Leblebicioğlu, V. Atalay, E. Nalçacı (Eds.), Brain Machine, pp. 141-146. Ankara: Middle East Technical University.