MinJeong Kim, HongBin Liu, JeongTai Kim and ChangKyoo Yoo^*, Evaluation of passenger health risk assessment of sustainable indoor air quality monitoring in metro systems based on a non-Gaussian dynamic sensor validation method, Journal of Hazardous Materials(ISSN: 0304-3894, SCI, Top 5% journal), Elsevier, 183(8), pp. 124-133  (2014.8) (Ack: ERC:90% & KHU:10%)