Acoustical characteristics of speech and voice in speech pathology. - Natalija Bolfan-Stosic; Mladen Hedjever (EUROSPEECH, 1997)

Degree of sub-harmonic components in infant cries and in Down Syndrome children and children with dysphonia. - Natalija Bolfan-Stosic; Mladen Hedjever (MAVEBA, 2001)