Martin, R., U. Heute, U., Antweiler, C. (2008). "Advances in Digital Speech Transmission", Wiley, ISBN 978-0-470 -51739-0, 2008.
Martin, R., U. Heute, U., Antweiler, C. (2008). "Advances in Digital Speech Transmission", Wiley, ISBN 978-0-470 -51739-0, 2008.