Hefting, M., Clement, J., Dowrick, D., Cosandey, A., Bernal, S., Cimpian, C., …Pinay, G. (2004). Water table elevation controls on soil nitrogen cycling in riparian wetlands along a European climatic gradient. Biogeochemistry, 67, 113-134. https://doi.org/10.1023/b%3Abiog.0000015320.69868.33