Journal Article AuthorPeter Groffman, R. Brumme, K. Butterbach-Bahl, K.E. Dobbie, A.R. Mosier, D. Ojima, H. Papen, W.J. Parton, K.A. Smith, C. Wagner-RiddleYear of Publication 2000 Journal Global Biogeochem. Cycles Volume 14 Pages 1061-1070 DOI Google Scholar