Rayra Amorim, Leonardo Guimarães and Oscar Melgar (2022) “Principal Component Analysis for the Study of Opening Underground Caverns in Salt Rocks”, American Scientific Research Journal for Engineering, Technology, and Sciences, 88(1), pp. 316–331. Available at: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/7785 (Accessed: 15 October 2024).