@misc{indiciaeb8ca239c3e13,
  title = {Geology and geothermal potential of the Tecuamburro Volcano area, Guatemala},
  author = {W. A. Duffield and G.H. Heiken and K.H. Wohletz and L.W. Maassen and G. Dengo and E.H. McKee and O. Castaneda},
  year = {1992},
  doi = {10.1016/0375-6505(92)90001-p},
  url = {https://pubs.usgs.gov/publication/70017206},
  note = {Source identifier: 70017206}
}