@book{16822,
	author = {Gorr, Wilpen L., and Kurland, Kristen Seamens,},
	title = {GIS tutorial 1 :},
	publisher = {Esri Press,},
	year = {c2016.},
	address = {Red Lands :},
	edition = {[Sixth edition] :},
	note = {"for ArcGIS10.3x"}
}