@misc{indiciae611a2a5fdd57,
  title = {Palynomorph preparation procedures currently used in the paleontology and stratigraphy laboratories, U.S. Geological Survey},
  author = {L. Imogene Doher},
  year = {1980},
  doi = {10.3133/cir830},
  url = {https://pubs.usgs.gov/publication/cir830},
  note = {Source identifier: cir830}
}