@misc{indiciae3e11abac0874,
  title = {Calorimetric investigation of the alkali feldspars},
  author = {David Robert Waldbaum},
  year = {1966},
  doi = {10.3133/ofr66148},
  url = {https://pubs.usgs.gov/publication/ofr66148},
  note = {Source identifier: ofr66148}
}