Kim Se Yun 하헌태 2024-01-13T23:01:27Z 2024-01-13T23:01:27Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/112380 English lightning surge telephone line protective devices Estimation of lightning surges on a telephone subscriber line terminated by protective devices Conference 1 Proceedings of JC-CNSS 1992, pp.277 - 281 Proceedings of JC-CNSS 1992 277 281 KO