@misc{indiciae258e26251700,
  title = {A teacher's guide to questions/answers and lab exercises prepared to accompany the film "Inside Hawaiian Volcanoes"},
  author = {W. A. Duffield and R.S. Fiske},
  year = {1989},
  doi = {10.3133/ofr89685},
  url = {https://pubs.usgs.gov/publication/ofr89685},
  note = {Source identifier: ofr89685}
}