KIM, Kyoung woo, Jun oh YEON, Kwan seop YANG, and Myung jun KIM. 2015. “Influence of Loading Time of a Load Plate and Sample Size on the Measurement of Physical Properties of Resilient Materials”. Archives of Acoustics 40 (2): 159–167. https://doi.org/10.1515/aoa-2015-0018.