Fucai Yu Younghwan Choi Soochang Park Euisin Lee Ye Tian Minsuk Jin Sang-Ha Kim Anchor Node Based Virtual Modeling of Holes in Wireless Sensor Networks. 3120-3124 2008 ICC http://dx.doi.org/10.1109/ICC.2008.587 conf/icc/2008 db/conf/icc/icc2008.html#YuCPLTJK08