@misc{indiciae810c2da1cdb8, title = {Volcanogenic Sulfur on Earth and Io: Composition and Spectroscopy}, author = {J.S. Kargel and P. Delmelle and D.B. Nash}, year = {1999}, doi = {10.1006/icar.1999.6183}, url = {https://pubs.usgs.gov/publication/70021275}, note = {Source identifier: 70021275} }