@misc{indiciae1dd1915f74dd, title = {Nitrate reduction in sediments of lowland tropical streams draining swamp forest in Costa Rica: An ecosystem perspective}, author = {J.H. Duff and C. M. Pringle and F.J. Triska}, year = {1996}, doi = {10.1007/bf02181071}, url = {https://pubs.usgs.gov/publication/70018110}, note = {Source identifier: 70018110} }