References
- Hester, T. R., editor 1979 The Colha Project, 1979: A Collection of interim Papers. Center for Archaeological Research, The University of Texas at San Antonio.
- Shafer, H. J. and T. R. Hester ms. Examples of Chert Tool Production at Sites in Belize, Central America. Manuscript to appear in Lithic Quarry Production, J. Ericson and B. Purdy, editors.