A Numerical Framework for Solving Discrete Finite Markov Models Applied to the AAL-2 Protocol. - Michael Menth; Notker Gerlich (MMB, 1999)

Efficient Design of Voice Carrying Fixed-Network Links in CDMA Mobile Communication Systems. - Khaled M. F. Elsayed; Notker Gerlich; Phuoc Tran-Gia (Telecommun. Syst., 2001)