TY - CPAPER DO - 10.22260/ISARC2002/0038 SN - 2413-5844 PY - 2002 DA - 2002/09/01 AU - Ban, Y. TI - Unmanned Construction System: Present Status and Challenges T2 - Proceedings of the 19th International Symposium on Automation and Robotics in Construction (ISARC) PB - International Association for Automation and Robotics in Construction (IAARC) ED - Stone, William C. SP - 241 EP - 246 L1 - https://www.iaarc.org/publications/fulltext/ISARC-2002-048_final.pdf ER -