Global assessment of nitrogen deposition effects on terrestrial plant diversity: a synthesis
R. Bobbink
K. Hicks
J. Galloway
T. Spranger
R. Alkemade
M. Ashmore
M. Bustamante
S. Cinderby
E. Davidson
F. Dentener
B. Emmett
J.W. Erisman
M.E. Fenn
F.S. Gilliam
A. Nordin
L.H. Pardo
W. De Vries
Ecological Applications (2010) 20: 30–59.