Limit your search
- Master's5,157
- Doctoral4,409
- Bachelor's447
- Certificate2
- 1
- Federal Highway Administration (FHWA)6
- The research upon which this publication is based was supported by funds provided by the United States Department of Interior, Office of Water Resources Research, as authorized under the Water Resources Research Act of 1964.1
- This educational content was developed with funding support from the Federal Highway Administration (FHWA).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 Thesis4,729
- Dissertation4,407
- Technical Report2,100
- Article1,405
- Other604
- more Resource Types »