URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
http://dx.doi.org/10.1016/j.soilbio.2012.06.013DOI Link
http://www.sciencedirect.com/science/article/pii/S[...]10/04/2012Item is within a limited-access website
http://ac.els-cdn.com/S0038071712002611/1-s2.0-S00[...]10/09/2012PDF ReaderItem is within a limited-access website