TY  - RPRT
TI  - Analysis of exceptionally large tremors in two gold mining districts of South Africa
AU  - Art McGarr
AU  - J. Bicknell
AU  - E. Sembera
AU  - R.W.E. Green
PY  - 1989
DO  - 10.1007/bf00874511
UR  - https://pubs.usgs.gov/publication/70015389
ID  - 70015389
ER  -