National Science Foundation U.S Division of Science Resources Studies. text Arlington, VA Division of Science Resources Studies, Directorate for Social, Behavioral and Economic Sciences, National Science Foundation monographic Description based on: 1995; title from title screen (viewed July 25, 2003) Scientists Federal aid to research Engineers NS 1.22/12: NS 1.22/12: http://purl.access.gpo.gov/GPO/LPS4484 http://purl.access.gpo.gov/GPO/LPS4484 20160527184035.0 301492