%0 Journal Article %A El Jai, A. %A Hamzaoui, H. %T Regional observation and sensors %J International Journal of Applied Mathematics and Computer Science %D 2009 %P 5-14 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IJAMCS_2009_19_1_a0/ %G en %F IJAMCS_2009_19_1_a0