Kristen James James, K. M., Blunden, J., Rumsey, I. C., & Aneja, V. P. (2012). Characterizing ammonia emissions from a commercial mechanically ventilated swine finishing facility and an anaerobic waste lagoon in North Carolina. ATMOSPHERIC POLLUTION RESEARCH, 3(3), 279–288. https://doi.org/10.5094/apr.2012.031 Aneja, V. P., Blunden, J., James, K., Schlesinger, W. H., Knighton, R., Gilliam, W., … Cole, S. (2008). Ammonia assessment from agriculture: US status and needs. JOURNAL OF ENVIRONMENTAL QUALITY, Vol. 37, pp. 515–520. https://doi.org/10.2134/jeq2007.0002in