TY - CPAPER DO - 10.22260/ISARC1988/0103 SN - 2413-5844 PY - 1988 DA - 1988/06/08 AU - Nakagawa, Koji TI - Smooth Blasting in Hard Rock tunnel Using an Automatic Drilling Machine T2 - Proceedings of the 5th International Symposium on Automation and Robotics in Construction (ISARC) PB - International Association for Automation and Robotics in Construction (IAARC) ED - Ishikawa, Rokuro SP - 925 EP - 934 L1 - https://www.iaarc.org/publications/fulltext/Smooth_blasting_in_hard_rock_tunnel_using_an_automatic_drilling_machine.PDF ER -