Visual feedback applied to the learning of conscious pitch control in singing. - David M. Howard 001; Graham F. Welch (EUROSPEECH, 1989)

Vocal identity - differences and similarities between children from Croatia and Finland. - Natalija Bolfan-Stosic; Anneli Yliherva; Graham F. Welch (MAVEBA, 2003)

Towards a novel real-time visual display for singing training. - David M. Howard 001; Graham F. Welch; Jude Brereton; Evangelos Himonides (MAVEBA, 2003)