@book{9533,
	author = {Kruseman, G. P. and Ridder, N. A. de.},
	title = {Analysis and evaluation of pumping test data},
	publisher = {International Institute for Land Reclamation and Improvement,},
	year = {1991},
	series = {ILRI publication},
	address = {Wageningen :},
	edition = {2 ed. rev.}
}