@misc{allan_mining_and_1997, 
author={Allan, R.,Salomons, W.},
title={Mining and metals in the environment},
year={1997},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Allan, R.; Salomons, W.: Mining and metals in the environment. Journal of Geochemical Exploration. 1997. vol. 58, no. 2-3, 93.}}