UFO Article (Blog):
“Argentina egg-shaped UFO”,
28 August 2012 (The Caravaca Files)
The article informs on a January 1963 Cañada de Alzogaray (Tucumán Province, North-Western Argentina) UFO case:
http://caravaca-files.blogspot.no/2012/08/argentina-egg-shaped-ufo.html
Satellite photo of Tucumán Province, Argentina (tageo.com) (tageo.com photo)