LEMOALLE (J.), 2004.- Lake Chad : a changing environment pp 321-340 In Dying and Dead Seas, J.C.J. Nihoul, P.O. Zavialov and P.P. Micklin (eds), NATO ARW/ASI Serie, Kluwer Publ. Dordrecht,375 p
LEMOALLE (J.), 2004.- Lake Chad : a changing environment pp 321-340 In Dying and Dead Seas, J.C.J. Nihoul, P.O. Zavialov and P.P. Micklin (eds), NATO ARW/ASI Serie, Kluwer Publ. Dordrecht,375 p