@misc{https://doi.org/10.3334/ornldaac/377, doi = {10.3334/ORNLDAAC/377}, url = {http://daac.ornl.gov/cgi-bin/dsviewer.pl?ds_id=377}, author = {CRILL, P.M.}, language = {en}, title = {Soil CH4 and CO2 Profile Data from NSA Tower Sites}, publisher = {ORNL Distributed Active Archive Center}, year = {1999} }