Authors: Utts, J Niemeier, D Ring, L

Citation: J. Utts et al., Statistical methods for estimating speed correction factors with confidence intervals for mobile source emissions models, TRANSP R D, 5(2), 2000, pp. 103-120

Authors: Niemeier, DA Lin, K Utts, J

Citation: Da. Niemeier et al., Using observed traffic volumes to improve fine-grained regional emissions estimation, TRANSP R D, 4(5), 1999, pp. 313-332