| Citation | US Geological Survey Professional Paper 1981 Seismic intensities of earthquakes of conterminous United States - their prediction and interpretation. Geological Survey Professional Paper 1223. | 
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 116435 | 
| Language | English | 
| Usage | used in part | 
| Comments on the publication | |
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