Jacob Zimmermann Andrew Clark George M. Mohay Fabien Pouget Marc Dacier The Use of Packet Inter-Arrival Times for Investigating Unsolicited Internet Traffic. 89-104 2005 conf/sadfe/2005 SADFE http://doi.ieeecomputersociety.org/10.1109/SADFE.2005.26 db/conf/sadfe/sadfe2005.html#ZimmermannCMPD05