%0 Journal Article %T New Elements on the Hairech Metamorphic Massif Structure (Northwest Tunisia). Geoelectrical Prospecting Contribution %A RIHAB GUELLALA %A Mohamed H¨¦di Inoubli %A Faouzi Amri %J Journal of Geography and Geology %D 2011 %I %R 10.5539/jgg.v3n1p160 %U http://www.ccsenet.org/journal/index.php/jgg/article/view/6540