@book{18181,
	author = {Ponce, Lautaro},
	title = {El sismo de la zona central de Chile},
	publisher = {Centro Regional de Sismología para América del Sur (CERESIS); United Nations Educational, Scientific and Cultural Organization (UNESCO)},
	year = {1985},
	address = {Lima},
	note = {Contrato SC/RP 203121.5 con UNESCO}
}