Authors: Shilong Piao; Philippe Ciais; Pierre Friedlingstein; Philippe Peylin; Markus Reichstein; Sebastiaan Luyssaert; Hank Margolis; Jingyun Fang; Alan Barr; Anping Chen; Achim Grelle; David Y Hollinger; Tuomas Laurila; Anders Lindroth; Andrew D Richardson; Timo Vesala Journal: Nature Date: 2008-01-03 Impact factor: 49.962