Yutaka Hirokawa Kimihiro Yamamoto Shigeaki Harada Ryoichi Kawahara Detection of Leaps/sLumps in Traffic Volume of Internet Backbone. 409-418 2008 APNOMS http://dx.doi.org/10.1007/978-3-540-88623-5_42 conf/apnoms/2008 db/conf/apnoms/apnoms2008.html#HirokawaYHK08