Bianchetti, P. I., Charola, A. Elena, Koestler, Robert J., and Laurenzi Tabasso, M. 1992. "
The ruins of San Ignacio Mini, Misiones, Argentina - characterization of the stones used in their construction." in
Proc. 7th Inter. Congr. Stone, edited by Delgado Rodrigues, J., Henriques, F., and Telmo Jeremias, F., 725–733.