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.
By: W. Robarge, R. McCulloch & W. Cure
1998 journal article
Analysis of ammonia, ammonium aerosols and acid gases in the atmosphere at a commercial hog farm in eastern North Carolina, USA
Environmental Pollution, 102(Suppl.), 263.
By: R. McCulloch, G. Few & V. Aneja