Analysis of cries of singletons and twins during the first year of life. - Kathleen Wermke; Werner Mende (MAVEBA, 1999)

Problems and pitfalls in pitch estimation of infant cries and voice signals. - Werner Mende (MAVEBA, 2001)

Resonance development and formant tuning phenomena in infant's crying. - Claudia Manfredi; Werner Mende; Piero Bruscaglioni; Kathleen Wermke (MAVEBA, 2003)

Time variations of the fundamental frequency (melody) and resonance frequencies in infant's crying - key parameters for pre-speech development. - Werner Mende; Kathleen Wermke (MAVEBA, 2003)

Interaction patterns between melodies and resonance frequencies in infants' pre-speech utterances. - Kathleen Wermke; Werner Mende; Anne Kempf; Claudia Manfredi; Piero Bruscaglioni; Angelika Stellzig-Eisenhauer (MAVEBA, 2005)