Boyes Bräm, P., & Bräm, T. Expressive gestures used by classical orchestra conductors: Penny Boyes Bräm. Thüring Bräm. The semantics and pragmatics of everyday gestures : proceedings of the Berlin conference April 1998.(2004).

Boyes Bräm, Penny, and Thüring Bräm. "Expressive Gestures Used by Classical Orchestra Conductors: Penny Boyes Bräm. Thüring Bräm." The Semantics and Pragmatics of Everyday Gestures : Proceedings of the Berlin Conference April 1998.(2004) .

Boyes Bräm, Penny, and Thüring Bräm. "Expressive Gestures Used by Classical Orchestra Conductors: Penny Boyes Bräm. Thüring Bräm." The Semantics and Pragmatics of Everyday Gestures : Proceedings of the Berlin Conference April 1998.(2004), .