Temporal trends in nitrogen concentrations and losses from agricultural catchments in the Nordic and Baltic countriesStalnacke, Per; Aakeroy, Paul Andreas; Iital, ArvoAgriculture, ecosystems and environment2014 / p. 94-103 : ill https://doi.org/10.1016/j.agee.2014.03.028 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS