TY - CPAPER DO - 10.22260/ISARC1991/0047 SN - 2413-5844 PY - 1991 DA - 1991/06/05 AU - Ulrich, Alfred TI - Automatic Levelling in Road Construction T2 - Proceedings of the 8th International Symposium on Automation and Robotics in Construction (ISARC) PB - International Association for Automation and Robotics in Construction (IAARC) ED - Poppy, P (TU Berlin) SP - 467 EP - 478 L1 - https://www.iaarc.org/publications/fulltext/Automatic_levelling_in_road_construction.PDF ER -