@misc{indiciae2f3d22edf8f8,
  title = {Uranium-series isochron dating at El Castillo Cave (Cantabria, Spain): The "Acheulean"/"Mousterian" question},
  author = {J. L. Bischoff and Jose Francisco Garcia and L.G. Straus},
  year = {1992},
  doi = {10.1016/0305-4403(92)90006-o},
  url = {https://pubs.usgs.gov/publication/70017235},
  note = {Source identifier: 70017235}
}