| Title | Hazard warning systems: Review of 20 years of progress |
| Publication Type | Journal Article |
| Year of Publication | 2000 |
| Authors | Sorensen, John H. |
| Journal | Natural Hazards Review |
| Volume | 1 |
| Issue | 2 |
| Pagination | 119–125 |
| URL | http://ascelibrary.org/doi/abs/10.1061/(ASCE)1527-6988(2000)1:2(119) |
| Short Title | Hazard warning systems |