@misc{indiciaef368c283937f,
  title = {Aggregation: Physical aspects},
  author = {John R. Nimmo},
  year = {2004},
  doi = {10.1016/b0-12-348530-4/00532-4},
  url = {https://pubs.usgs.gov/publication/70198941},
  note = {Source identifier: 70198941}
}