@misc{indiciaea50a21d6c380,
  title = {Investigation of the low-depression velocity layer in desert area by multichannel analysis of surface-wave method},
  author = {S. Cheng and G. Tian and J. Xia and H. He and Z. Shi},
  year = {2004},
  url = {https://pubs.usgs.gov/publication/70026162},
  note = {Source identifier: 70026162}
}