498. 車載用自然放射能探査と電気探査を組み合わせた裂罅系地下水調査法
498. Ground-water investigation in the fissure using combinations among varios kinds of radiometric and electrical prospecting methods

Yu-ji YOSHIKAWA, Hitoshi KOIZUMI
1994 Annual Meeting of the Geological Society of Japan  
doi:10.14863/geosocabst.1994.0_313_2 fatcat:x7ydse72qfddroaybpdcold35a