Pattama Pispak, Helmut Dürrast, and Tripob Bhongsuwan. 2010. “Soil-Gas Radon As a Possible Earthquake Precursor: A Case Study from the Khlong Marui Fault Zone, Southern Thailand”. Agriculture and Natural Resources 44 (6). Bangkok, Thailand:1079-93. https://li01.tci-thaijo.org/index.php/anres/article/view/245084.