@book{46446,
	author = {Di Tella, Torcuato S., comp. and Halperin Donghi, Tulio, comp.},
	title = {Los fragmentos del poder: de la oligarquía a la poliarquia argentina},
	publisher = {J. Alvarez},
	year = {1969},
	address = {Buenos Aires},
	note = {Presentación p.9.}
}