Limit your search
- Master's4,572
- Doctoral3,935
- Bachelor's419
- 1
- Certificate1
- Federal Highway Administration (FHWA)6
- The research upon which this report is based was financed in part by the U.S. Department of the Interior, Washington, D.C., under the Mt. St. Helens Research and Development Program.1
- This research has been supported in part by the National Science Foundation under Contract No. CCR-89-02496.1
- This work was supported in part by NSF grant number IRl-86-57316 (Presidential Young Investigator Award) .1
- Masters Thesis4,189
- Dissertation3,933
- Technical Report1,736
- Article1,139
- Other576
- more Resource Types »