1. Balancing link counts at nodes using a variety of criteria: An application in local area traffic assignment;Barbour;Transpn. Res. Rec.,1990
2. Estimating a trip table from counts;Beagan,1986
3. Inferring an origin-destination matrix directly from network flow information;Chan;Transpn. Planning Technol.,1986
4. Comparison of small-area OD estimation techniques;Dowling;Transpn. Res. Rec.,1985