Z. WEI, H. ZHANG, J. GONG, Y. QIANG, and F. M. YUSUF, “APPROACH TO ADJUSTING LAMPS’ HEIGHTS AND ANGLES: DESIGN AND IMPLEMENTATION OF AN ELEVATING DEVICE FOR ILLUMINATION IN SLEDGE TESTS”, JESR, vol. 28, no. 1, pp. 81-89, Jun. 2022.