Zhu, D., Nussbaum, N., Kuhns, H. D., Chang, M., Sodeman, D., Uppapalli, S., Moosmüller, H., Chow, J. C., Watson, J. G. (2009). In-Plume Emission Test Stand 2: Emission factors for 10-to 100-kW US military generators, J.Air Waste Manage.Assoc., 1446-1457