@article {22321,
	title = {Identification, Estimation and Validation of Some River Catchment Models with ‎Application},
	year = {1981},
	month = {1981},
	institution = {MIT/CU Technological Program},
	address = {Cairo, Egypt},
	author = {M. H. Salem and H. T. Dorrah and Magdy Aboelela}
}
