@misc{indiciaedb725a110f26, title = {Assessing exotic plant species invasions and associated soil characteristics: A case study in eastern Rocky Mountain National Park, Colorado, USA, using the pixel nested plot design}, author = {M. A. Kalkhan and E.J. Stafford and P.J. Woodly and T.J. Stohlgren}, year = {2007}, doi = {10.1016/j.apsoil.2006.09.009}, url = {https://pubs.usgs.gov/publication/70032763}, note = {Source identifier: 70032763} }