@misc{indiciae409202c7dbfd,
  title = {A pitfall in shallow shear-wave refraction surveying},
  author = {J. Xia and R. D. Miller and C.B. Park and E. Wightman and R. Nigbor},
  year = {2002},
  doi = {10.1016/s0926-9851(02)00197-0},
  url = {https://pubs.usgs.gov/publication/70024460},
  note = {Source identifier: 70024460}
}