Shin-ichi Kanazawa, Rie Suzuki, Masaki Yanai, and Osamu Yoshino. 2021. “EXPERIMENT REGARDING MONTMORILLONITE CONTENT AND STRENGTH PROPERTIES IN BENTONITE UNDER THE INFLUENCE OF HEAT”. GEOMATE Journal 20 (82):22-27. https://geomatejournal.com/geomate/article/view/148.