C. Lehmann

Increasing ammonia concentration trends in large regions of the USA derived from the NADP/AMoN network
Butler, Tom, F.M. Vermeylen, C. M. Lehmann, Gene E. Likens, and M. Puchalski. 2016. “Increasing Ammonia Concentration Trends in Large Regions of the USA Derived from the NADP AMoN Network”. Atmospheric Environment 146: 132-40. doi:10.1016/j.atmosenv.2016.06.033.