@misc{indiciaec2facadb1bcf, title = {Graphical and PC-software analysis of volcano eruption precursors according to the Materials Failure Forecast Method (FFM)}, author = {Reinold R. Cornelius and Barry Voight}, year = {1995}, doi = {10.1016/0377-0273(94)00078-u}, url = {https://pubs.usgs.gov/publication/70248334}, note = {Source identifier: 70248334} }