Leong, Y., Sanchez, N., Wallace, H., Karakurt Cevik, B., Hernandez, C., Han, Y., Flynn, J., Massoli, P., Floerchinger, C., Fortner, E., Herndon, S., Bean, J., Hildebrandt Ruiz, L., Jeon, W., Choi, Y., Lefer, B., & Griffin, R. (2017). overview of surface measurements and spatial characterization of submicrometer particulate matter during the DISCOVER-AQ 2013 campaign in Houston, TX. Journal of the Air & Waste Management Association, 67, 854–872. http://access.bl.uk/ark:/81055/vdc_100047623243.0x000027