2000 journal article
Atmospheric concentrations of ammonia and ammonium aerosols in eastern north Carolina
Air Pollution from Agricultural Operations : Proceedings of the 2nd International Conference, October 9-11, 2000, Des Moines, Iowa, 10.
Analysis of ammonia, ammonium aerosols and acid gases in the atmosphere at a commercial hog farm in eastern North Carolina, USA
ENVIRONMENTAL POLLUTION, Vol. 102, pp. 263–268.