Pinho, P., Barros, C., Augusto, S., João-Pereira, M., Máguas, C. & Branquinho, C. (2017) Using nitrogen concentration and isotopic composition in lichens to spatially assess atmospheric nitrogen sources in complex landscapes.
Environmental Pollution, 230, 632-638. DOI:10.1016/j.envpol.2017.06.102 (IF2017 4,358; Q1 Environmental Sciences)