Reina, Ruben E.
The potter and the farmer the fate of two innovators in a maya village.
- Pennsilvania-US : Univesity of Pennsylvania, 1963..
- páginas18-30 : ilustraciones blanco y negro
- Trimenstral
- Vol.5 no 4(1963)
- Expedition. the bulletin of the university museum of the university of pennsilvania ; no. 4 .
- University of Pennsylvania. .