Abstract
A summary of progress is presented thereby formulating the research projects which are divided into twenty-two subject areas. Summaries of unpublished research reports are appended.
Summary of progress through 1973 National Cooperative Highway Research Program NCHRP.
Year
Publication
Library number
B 4521 /10/20/30/40/50/60/70/80/90/ IRRD 213658
Source
Washington, D.C., Highway Research Board HRB, 1974, 127 p., fig., tab., ref.
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