I. Nishimura, T. Noguchi, Y. Ono, and M. Kohno, “SUBSURFACE STRUCTURES BASED ON MICROTREMOR OBSERVATIONS IN LANDSLIDE AREA OF TANDIKAT, WEST SUMATRA, INDONESIA”, INTERNATIONAL JOURNAL OF GEOMATE, vol. 22, no. 90, pp. 57–62, Feb. 2022.