J. Greenberg
Holland, E.A., R. Boone, J. Greenberg, Peter M. Groffman, and G. P. Robertson. 1999. “Measurement Of Soil Co2, N2O And Ch4 Exchange”. In G. P. Robertson, C. S. Bledsoe, D. C. Coleman, And P. Sollins (Eds.). Standard Soil Methods For Long Term Ecological Research, 185-201. Oxford University Press, New York.