Mohsen Mojiri Masoud Karimi-Ghartemani Alireza Bakhshai Time-Domain Signal Analysis Using Adaptive Notch Filter. 85-93 2007 55 IEEE Transactions on Signal Processing 1 http://doi.ieeecomputersociety.org/10.1109/TSP.2006.885686 db/journals/tsp/tsp55.html#MojiriKB07