@book{70384,
	author = {Gamal Mohammad Abdelmageed and A. M. Abdallah , },
	title = {Hydrogeological and hydrogechemical studies of the nilf valley area, beni Suef governorate, Egypt / },
	publisher = {Gamal Mohammad Abdelmageed , },
	year = {1997},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}