@misc{indiciae9b3691ee9aeb,
  title = {High latitude meteoric δ 18 O compositions: Paleosol siderite in the Middle Cretaceous Nanushuk Formation, North Slope, Alaska},
  author = {David F. Ufnar and Greg A. Ludvigson and Luis A. Gonzalez and Richard L. Brenner and Brian J. Witzke},
  year = {2004},
  doi = {10.1130/b25289.1},
  url = {https://pubs.usgs.gov/publication/70027490},
  note = {Source identifier: 70027490}
}