1. Set k-cover algorithms for energy efficient monitoring in wireless sensor networks;Abrams,2004
2. Decomposition of multiple coverings into more parts;Aloupis;Discrete Comput. Geom.,2010
3. Maximizing network lifetime on the line with adjustable sensing ranges;Bar-Noy,2011
4. Restricted strip covering and the sensor cover problem;Buchsbaum,2007