1. Improved velocity estimation using single loop detectors;Coifman;Transportation Research Part A,2001
2. Estimating median velocity instead of mean velocity at single loop detectors;Coifman;Transportation Research Part C,2003
3. Diamond Consulting Service Ltd., Essential Collection. (accessed 05.08.10).
4. FHWA (Federal Highway Administration), 2005. Best Practices Guidebook: Collecting Short Duration Manual Vehicle Classification Counts on High Volume Urban Facilities. Carter and Burgerss, Inc., Denver.
5. Gajda, J., Sroka, R., 2000. Vehicle Classification by Parametric Identification of the Measured Signal. IMEKO Congress, Vienna, vol. IX, pp. 199–204.