Diedhiou,A.G., Dupouey,J.L., Buee,M., Dambrine,E., Laut,L. and Garbaye,J., Response of ectomycorrhizal communities to past Roman occupation in an oak forest. Soil Biol. Biochem. 41 (10), 2206-2213 (2009). https://www.ncbi.nlm.nih.gov/nuccore/FM995598