Masamitsu Chikaraishi and Mutsuto Kawahara, An Identification Method of Geological Boundary Using Elastic Waves. journal = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology. November 2010, vol. 47(11). 356 - 362 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/4466.