Phytolith signal of aquatic plants and soils in Chad, Central Africa Novello, A. Barboni, D. /Berti-Equille, Laure Mazur, J.C. Poilecot, P. Vignaud, P. PALEOENVIRONNEMENT COUVERT VEGETAL PLANTE AQUATIQUE FOSSILE SILICE LAC TOURBIERE SOL PHYTOLITHE 2012 text https://www.documentation.ird.fr/hor/fdi:010055318 fdi:010055318 Novello A., Barboni D., Berti-Equille Laure, Mazur J.C., Poilecot P., Vignaud P.. Phytolith signal of aquatic plants and soils in Chad, Central Africa. 2012, 178, 43-58 EN ZONE SOUDANOSAHELIENNE TCHAD TCHAD LAC