@inproceedings{TUW-109105, author = {Rupp, Markus}, title = {Adaptive IIR echo cancellers for hybrids using the Motorola 56001}, booktitle = {Proc. EUSIPCO Signal Processing V}, year = {1990}, pages = {1487--1490}, note = {talk: EUSIPCO European Signal Processing Conference, Barcelona; 1990-00-00} }