Marica, S. “QUATERNARY BASALTS FROM ROMANIA - CHARACTERISTICS AND NON-CONVENTIONAL USES”. Bulletin of the Geological Society of Greece 36, no. 1 (January 1, 2004): 103–107. Accessed December 30, 2024. https://ejournals.epublishing.ekt.gr/index.php/geosociety/article/view/16586.