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2. Ahn, S. & Cassidy, M.J. (2007). Freeway traffic oscillations and vehicle lane-change maneuvers. Proceedings of the 17Th International Symposium on Transportation and Traffic Theory, Amsterdam, Elsevier, 691-710.
3. Merging and diverging effects on freeway traffic oscillations: theory and observations;Ahn;Transportation Research Record, Journal of the Transportation Research Board,2010
4. Ahn, S. (2005). Formation and spatial evolution of traffic oscillations. Doctoral Dissertation, Department of Civil and Environment Engineering, University of California, Berkeley.
5. Verification of simplified car-following theory;Ahn;Transportation Research Part B,2004