TY  - RPRT
TI  - A survey of practice in determining magnitude of near earthquakes: summary report for networks in North, Central and South America
AU  - William Hung Kan Lee
AU  - R.J. Wetmiller
PY  - 1976
DO  - 10.3133/ofr76677
UR  - https://pubs.usgs.gov/publication/ofr76677
ID  - ofr76677
ER  -