俞維昇

台灣地區地下水觀測站網水井攝影檢測及維護之先期研究 = = A pioneer study on the examination using well camera and maintenance for groundwater monitoring well network in Taiwan / by: 俞維昇; 蔡存孝 (Language materials, printed)

水井攝影檢測技術應用於九二一集集大地震地下水觀測井井觀狀況調查 = = Application of television inspection system to investigate the status of groundwater monitoring well after the 921 Chi-Chi earthquake / by: 俞維昇 (Language materials, printed)