Matthews. JR, Kenneth.
Expedition. the bulletin of the university museum of the university of pennsilvania ; no. 4 - Pennsilvania-US : Univesity of Pennsylvania, 1962. - páginas 42-44 : ilustraciones blanco y negro - Trimenstral - Vol.5, no 1(1962) - Expedition. the bulletin of the university museum of the university of pennsilvania ; no. 4 . - University of Pennsylvania. .
Expedition. the bulletin of the university museum of the university of pennsilvania ; no. 4 - Pennsilvania-US : Univesity of Pennsylvania, 1962. - páginas 42-44 : ilustraciones blanco y negro - Trimenstral - Vol.5, no 1(1962) - Expedition. the bulletin of the university museum of the university of pennsilvania ; no. 4 . - University of Pennsylvania. .
