A portrait of central Italy's geology through Giotto's paintings and its possible cultural implications
Ann C. Pizzorusso
Alvarez, W.: The Mountains of Saint Francis: Discovering the Geologic Events That Shaped Our Earth, W.W. Norton and Co, New York, 2008.
Alvarez, W.: The historical record in the Scaglia limestone at Gubbio: magnetic reversals and the Cretaceous-Tertiary mass extinction, Sedimentology, 56, 137–148, 2009.
Anonymous, I.: Fioretti di San Francesco, Il Novellino, Rizzoli, Milano, 1979 (in Italian).
Artz, F. B.: The Mind of the Middle Ages: An Historical Survey University of Chicago Press, Chicago, 2014.
Blatt, S. J.: Continuity and Change in Art: The Development of Modes of Representation, In collaboration with Ethel S. Blatt, Lawrence Erlbaum Associates, Hillsdale, N.J., and London, 1984.