Sevilleta long-term ecological research program: Measuring ecosystem responses to environmental change,
Parmenter, Robert R.
, Rio Grande Ecosystems: Linking Land, Water, and People: Toward a Sustainable Future for the Middle Rio Grande Basin, Volume RMRS-P-7, Albuquerque, NM, p.164-169, (1999)
Soil CO2, N2O, and CH4 Exchange,
Holland, E. A., Robertson Philip G., Greenberg J., Groffman Peter M., Boone R. D., and Gosz James R.
, Standard Soil Methods for Long-Term Ecological Research, p.185-201, (1999)