2024-01-14T00:00:50Z 2024-01-14T00:00:50Z 2022-01-14 1989-08-01 https://pubs.kist.re.kr/handle/201004/112881 Analysis of field patterns scattered by underground void of circular cylinder Conference 1 IEICE, pp.393 - 396 IEICE 393 396 Proc. ISAP - 직접입력