@misc{indiciae76d2113993c2,
  title = {Geochemistry of soils along a transect from Central Mexico to the Pacific Coast: a pilot study for continental-scale geochemical mapping},
  author = {J.A. Chipres and Alfredo de la Calleja and J.I. Tellez and F. Jimenez and Carlos Cruz and E.G. Guerrero and J. Castro and M.G. Monroy and J.C. Salinas},
  year = {2009},
  doi = {10.1016/j.apgeochem.2009.04.012},
  url = {https://pubs.usgs.gov/publication/70140572},
  note = {Source identifier: 70140572}
}