@article{IJAMCS_2009_19_1_a0,
     author = {El Jai, A. and Hamzaoui, H.},
     title = {Regional observation and sensors},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {5--14},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2009_19_1_a0/}
}