Simon R. Blackburn Tuvi Etzion Keith M. Martin Maura B. Paterson Efficient Key Predistribution for Grid-Based Wireless Sensor Networks. 54-69 2008 ICITS http://dx.doi.org/10.1007/978-3-540-85093-9_6 conf/icits/2008 db/conf/icits/icits2008.html#BlackburnEMP08