Freudenthal, Elsbeth E. (1952). "Conquerors of Uspallata Pass: A contribution to the history of aviation in the Americas". The Americas. 9 (1). Academy of American Franciscan History: 17–28. doi:10.2307/977856. JSTOR977856. S2CID147035171.
jstor.org
Freudenthal, Elsbeth E. (1952). "Conquerors of Uspallata Pass: A contribution to the history of aviation in the Americas". The Americas. 9 (1). Academy of American Franciscan History: 17–28. doi:10.2307/977856. JSTOR977856. S2CID147035171.
lanacion.com.ar
Un símbolo que no pierde vigencia. La Nación. Buenos Aires, Argentina. June 20, 2012. [4]
losandes.com.ar
"A 95 años de un cruce de los Andes “imposible”” Los Andes On Line. June 26, 2014 [3]Archived 2013-11-04 at the Wayback Machine
Freudenthal, Elsbeth E. (1952). "Conquerors of Uspallata Pass: A contribution to the history of aviation in the Americas". The Americas. 9 (1). Academy of American Franciscan History: 17–28. doi:10.2307/977856. JSTOR977856. S2CID147035171.
web.archive.org
"A 95 años de un cruce de los Andes “imposible”” Los Andes On Line. June 26, 2014 [3]Archived 2013-11-04 at the Wayback Machine