@book{25747,
	author = {Guibourg, Ricardo A. and Ghigliani, Alejandro M.},
	title = {Introducción al conocimiento científico.},
	publisher = {Eudeba,},
	year = {1993.},
	series = {Manuales / Eudeba},
	address = {Buenos Aires :},
	edition = {10a ed.}
}