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.
Chicago Stili AlıntıChávez, José A., Walter Hernández, ve Lubomir Kopecky. PROBLEMATIC AND CURRENT KNOWLEDGE OF THE TIERRA BLANCA JOVEN TEPHRAS IN THE METROPOLITAN AREA OF SAN SALVADOR, EL SALVADOR. 2011.
MLA AlıntıChávez, José A., Walter Hernández, ve 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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