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Search results for "observational studies"

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Viewing 1 - 5 of 5 results by relevance

Long-Term Performance and Life-Cycle Costs of Stormwater Best Management Practices  (2014)

Assessing Aircraft Noise Conditions Affecting Student Learning, Volume 2: Appendices  (2014)

Guidance for the Design and Application of Shoulder and Centerline Rumble Strips  (2009)

Evaluation of the Use and Effectiveness of Wildlife Crossings  (2008)

Consensus Study Report

Research Priorities for Airborne Particulate Matter: III. Early Research Progress  (2001)