1. University of Orleans, INRA USC1328; LBLGC EA 1207 Orléans France
2. IDDEA, Environmental Consulting Engineering; Olivet 45160 France
3. BRGM, ISTO; UMR 7327 Orléans France
4. University of Molise, Dipartimento di Bioscienze e Territorio; Pesche 86090 Italy