@misc{indiciaebfe741bfc046,
  title = {Heavy Oil and Natural Bitumen : strategic petroleum resources},
  author = {Richard F. Meyer and Emil Attanasi},
  year = {2003},
  doi = {10.3133/fs07003},
  url = {https://pubs.usgs.gov/publication/fs07003},
  note = {Source identifier: fs07003}
}