2003 journal article
Probabilistic nonroad mobile source emission factors
Journal of Environmental Engineering, 129(2), 162–168.
Contributors: H. Frey n
2002 journal article
Quantification of variability and uncertainty in lawn and garden equipment NOx and total hydrocarbon emission factors
JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION, 52(4), 435–448.
Contributors: H. Frey n & n
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