Authors
Laurent André
BRGM (French Geological Survey), Orléans, France
ISTO - Institut des Sciences de la Terre d'Orléans, Orléans, France
Christomir Christov
Department of Chemistry, Faculty of Natural Sciences, Shumen University “Konstantin Preslavski”, Shumen, Bulgaria
Arnault Lassin
BRGM (French Geological Survey), Orléans, France
Mohamed Azaroual
BRGM (French Geological Survey), Orléans, France