@misc{indiciaee7935ba29ab7,
  title = {Chemical composition of rainfall at selected sites in Puerto Rico},
  author = {Ferdinand Quinones-Marquez},
  year = {1975},
  doi = {10.3133/ofr75364},
  url = {https://pubs.usgs.gov/publication/ofr75364},
  note = {Source identifier: ofr75364}
}