Platz, L. (2015). Petrographic analysis of Usulután and Rosales Zone Engraved ceramics from two Tempisque period (300 B.C. - 500 A.D.) sites on Culebra Bay, Costa Rica. Cuadernos De Antropología, 25(1), 3–23. https://doi.org/10.15517/cat.v25i1.19269