@misc{indiciaeaae6e0923499,
  title = {Heavy metals in aquatic macrophytes drifting in a large river},
  author = {Bruce A. Manny and Susan J. Nichols and Donald W. Schloesser},
  year = {1991},
  doi = {10.1007/978-94-011-3144-5\_22},
  url = {https://pubs.usgs.gov/publication/1000602},
  note = {Source identifier: 1000602}
}