@misc{indiciae1d9734a02517,
  title = {The petrogenesis and trace-element geochemistry of intermediate lavas from Humphreys Peak, San Francisco volcanic field, Arizona},
  author = {K.J. Wenrich-Verbeek},
  year = {1979},
  doi = {10.1016/0040-1951(79)90294-4},
  url = {https://pubs.usgs.gov/publication/70012208},
  note = {Source identifier: 70012208}
}