1. Matrixmcdelle zur Ermittlung von Teilstromen aus Guerschnittsmessun- gen;Beil,1979
2. A Method for direct estimation of origin/destination trip matrices. TransDn;Carey;Science,1981
3. Dynamic identification of flows from traffic counts at complex intersections;Cremer,1981
4. Correlation methods;Godfrey;Automatica,1980
5. Partial matrix techniques;Kirby;Traff. Eng, and Control,1979