Shigeru Takano Teruya Minamoto Hiroki Arimura Koichi Niijima Toshihiko Iyemori Tohru Araki Automatic Detection of Geomagnetic Sudden Commencement Using Lifting Wavelet Filters. 242-251 http://link.springer.de/link/service/series/0558/bibs/1532/15320242.htm 1999 conf/dis/1999 Discovery Science http://link.springer.de/link/service/series/0558/bibs/1721/17210242.htm db/conf/dis/dis99.html#TakanoMANIA98