Steven Perakis
Pardo, Linda H., Molly J. Robin-Abbott, Mark E. Fenn, Christine L. Goodale, Linda H. Geiser, Charles T. Driscoll, E.B. Allen, et al. 2015. “Effects And Empirical Critical Loads Of Nitrogen For Ecoregions Of The United States”. In Critical Loads And Dynamic Risk Assessments, 25:129 - 169. Dordrecht: Springer Netherlands. doi:10.1007/978-94-017-9508-110.1007/978-94-017-9508-1_5.