@misc{hussian_estimation_of_2004, 
author={Hussian, M., Grimvall, A., Petersen, W.},
title={Estimation of the Human Impact on Nutrient Loads Carried by the Elbe River},
year={2004},
howpublished = {journal article},
note = {Hussian, M.; Grimvall, A.; Petersen, W.: Estimation of the Human Impact on Nutrient Loads Carried by the Elbe River. Environmental Monitoring and Assessment. 2004. vol. 96, no. 1-3, 15-33.}}