@Inproceedings{mtns-06_Sandberg-Lanzon-Anderson, author = "Sandberg, H. and Lanzon, A. and Anderson, B. D. O.", title = "Transfer function approximation and identification using magnitude and phase criteria", booktitle = "Proceedings of the 17\th International Symposium on Mathematical Theory of Networks and Systems", address = "Kyoto, Japan", pages = "250-256", month = jul, year = 2006}