@misc{indiciae3a82f4930bb5, title = {Acidification of forest soil in Russia: From 1893 to present}, author = {A.G. Lapenis and G.B. Lawrence and A.A. Andreev and A.A. Bobrov and M.S. Torn and J.W. Harden}, year = {2004}, doi = {10.1029/2003gb002107}, url = {https://pubs.usgs.gov/publication/70027499}, note = {Source identifier: 70027499} }