TY - BOOK AU - Ellefsen, Karl. CN - I 19.76: CY - [Denver, CO] : DA - 1993. ID - 196959 KW - Seismic waves N1 - Cover title. N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 94-0790-M. PB - U.S. Dept. of the Interior, U.S. Geological Survey, PP - [Denver, CO] : PY - 1993. T1 - Two-dimensional numerical simulation of elastic wave propagation for environmental and geotechnical studies TI - Two-dimensional numerical simulation of elastic wave propagation for environmental and geotechnical studies VL - 93-714 ER -