Humic substances: structures, models and functions
The Royal Society of Chemistry 2001
Significance of burning vegetation in the formation of black humic acids in Japanese volcanic ash soils
Humic substances structires, models adn functions, Ed. E. A. Ghabbour and G. Davies, Royal Society of Chemistry, Cambrid 2001
Significance of burning vegetation in the formation of black humic acids in Japanese volcanic ash soils
Humic substances structires, models adn functions, Ed. E. A. Ghabbour and G. Davies, Royal Society of Chemistry, Cambrid 2001