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Search results for "observational studies"

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Consensus Study Report

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

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

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

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

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