Guichen Ma, Kazuhide Sawada, Hideki Saito, Fumiaki Uehan, Atsushi Yashima. Study on evaluating rock block stability by using a remotely positioned laser Doppler vibrometer . INTERNATIONAL JOURNAL OF GEOMATE [Internet]. 2012 Jun. 28 [cited 2024 Apr. 20];2(4):247-52. Available from: https://geomatejournal.com/geomate/article/view/1458