Carbon K-Edge NEXAFS and FTIR-ATR Spectroscopic Investigation of Organic Carbon Speciation in Soils,
Solomon, D., Lehmann J., Kinyangi J., Liang B., and Schäfer T.
, Soil Science Society of America Journal, Volume 69, p.107-119, (2005)
Weed Dynamics on Amazonian Dark Earth and Adjacent Soils of Brazil,
Major, J., DiTommaso A., Lehmann J., and Falcão N. P. S.
, Agriculture, Ecosystems and Environment, Volume 111, p.1-12, (2005)