Li, L., G. . Sui, R. . Wang, J. . Zhou, and E. . Oh. “FIELD TEST AND NUMERICAL SIMULATION OF A-FRAME BLADE PILE SYSTEM IN SOLAR FARM”. GEOMATE Journal, vol. 23, no. 98, Oct. 2022, pp. 155-63, https://geomatejournal.com/geomate/article/view/3526.