Holland, E. A. Research Group Bioathmospheric Chemistry, Dr. E. Holland, Max Planck Institute for Biogeochemistry, Max Planck Society;
Neff, J. C., Holland, E. A., Dentener, F. J., Mcdowell, W. H., & Russell, K. M. (2002). The origin, composition and rates of organic nitrogen deposition: A missing piece of the nitrogen cycle? Biogeochemistry, 57/58(1), 99-136.