1) AITKENHEAD J. A. Soil C:N ratio as a predictor of annual riverine DOC flux at local and global scales. Global biogeochemical cycles. (2000) vol.14, p.127-138.
2) CAMBELL J. L. Dissoved organic nitrogen budgets for upland, forested ecosystems in New England. Biogeochem. (2000) vol.49, p.123-142.