Pinho, PedroBranquinho, CristinaCruz, CristinaTang, Y. SimDias, TeresaRosa, Ana PaulaMáguas, CristinaLoução, Maria A. M.Sutton, Mark A.2011-09-052011-09-052009978-1-4020-9121-6http://dx.doi.org/10.1007/978-1-4020-9121-6_10http://hdl.handle.net/10451/3964engAssessment of critical levels of atmospheric ammonia for Lichen diversity in Cork-Oak Woodland, Portugalbook part