@misc{indiciae8a22999a724a, title = {Proceedings of the National Earthquake Prediction Evaluation Council, May 7 and 8, 1992, Portland, Oregon}, author = {V. A. Frizzell}, year = {1993}, doi = {10.3133/ofr93333}, url = {https://pubs.usgs.gov/publication/ofr93333}, note = {Source identifier: ofr93333} }