@proceedings {17254,
	title = {Effect of Subsurface Heterogeneity on the Unsteady Well Draw Down in a Confined Aquifer},
	journal = {ASCE{\textquoteright}s 1999 International Water Resources Engineering Conference. },
	year = {1999},
	address = {United States of America},
	author = {Alaa E. Abdin and Mostafa A. M. Abdeen}
}
