Hongbin Liu, Chong Yang, Mingzhi Huang^*, Dongsheng Wang, and ChangKyoo Yoo^*, Modeling of Subway Indoor Air Quality Using Gaussian Process Regression, Journal of Hazardous Materials (ISSN: 0304-3894, SCI, Top 10%), Elsevier, 359(), pp. 266-273; DOI(http://dx.doi.org/10.1016/j.jhazmat.2018.07.034)  (2018.10) (Ack: Foundation of Nanjing Forestry University (No. 163105996), Open Fund of State  key Laboratory of Pulp and Paper Engineering (No.201813), National Natural Science Foundation of China (No. 51708299), Natural Science Foundation of Jiangsu Province (No.BK20150841) &( NRF-2017R1E1A1A03070713)​