@book {61996,
	title = {Fluctuation pi{\'e}zom{\'e}trique interannuelle de la nappe superficielle de Beida bordj (W.S{\'e}tif)},
	year = {2005},
	month = {2005},
	author = {Samir, Djenba and Abderahmane, Boudoukha}
}
