Chávez, J. A., Hernández, W., & Kopecky, L. (2011). PROBLEMATIC AND CURRENT KNOWLEDGE OF THE TIERRA BLANCA JOVEN TEPHRAS IN THE METROPOLITAN AREA OF SAN SALVADOR, EL SALVADOR.
Παραπομπή Chicago StyleChávez, José A., Walter Hernández, και Lubomir Kopecky. PROBLEMATIC AND CURRENT KNOWLEDGE OF THE TIERRA BLANCA JOVEN TEPHRAS IN THE METROPOLITAN AREA OF SAN SALVADOR, EL SALVADOR. 2011.
Παραπομπή MLAChávez, José A., Walter Hernández, και Lubomir Kopecky. PROBLEMATIC AND CURRENT KNOWLEDGE OF THE TIERRA BLANCA JOVEN TEPHRAS IN THE METROPOLITAN AREA OF SAN SALVADOR, EL SALVADOR. 2011.
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