D.A Ritchie
Jones, T. H., L.J. Thompson, J.H. Lawton, T.M. Bezemer, R.D. Bardgett, T.M. Blackburn, K.D. Bruce, et al. 1998. “Impacts of Rising Atmospheric Carbon Dioxide on Model Terrestrial Ecosystems”. Science 280: 441-43. http://www.caryinstitute.org/reprints/Jones_et_al_1998_Impacts_of_Rising_CO2_Science_280_441-443.pdf.