Changes in species richness and composition in European acidic grasslands over the past 70 years: the contribution of cumulative atmospheric nitrogen deposition
C. Duprè
C.J. Stevens
T. Ranke
A. Bleeker
C. Peppler-Lisbach
D.J.G. Gowing
N.B. Dise
E. Dorland
R. Bobbink
M. Diekmann
Global Change Biology (2010) 16: 344–357.