Rizo Maestre, Carlos, Servando Chinchón Yepes, and Victor Echarri Iribarren. “The Radon Gas in Underground Constructions. Railway Tunnel of Alicante (Spain)”. International Journal of Engineering & Technology 7, no. 4.5 (September 22, 2018): 393–395. Accessed November 24, 2024. https://sciencepubco.com/index.php/ijet/article/view/20190.