Karl Williard
Sebestyen, Stephen D., Donald S. Ross, James B. Shanley, Emily M. Elliott, Carol Kendall, John L. Campbell, Bryan Dail, et al. 2019. “Unprocessed Atmospheric Nitrate In Waters Of The Northern Forest Region In The U.s. And Canada”. Environmental Science & Technology 53 (7): 3620 - 3633. doi:10.1021/acs.est.9b01276.