publisher={Springer-Verlag},
author={Gentili, Monica and Raiconi, Andrea},
pages={157-172},
-}
\ No newline at end of file
+}
+
+
+@article{idrees2015distributed,
+ title={Distributed lifetime coverage optimization protocol in wireless sensor networks},
+ author={Idrees, Ali Kadhum and Deschinkel, Karine and Salomon, Michel and Couturier, Rapha{\"e}l},
+ journal={The Journal of Supercomputing},
+ volume={71},
+ number={12},
+ pages={4578--4593},
+ year={2015},
+ publisher={Springer US}
+}