Some issues distributed to depository libraries on microfiche <1977-90 - 1989-95>; no longer distributed to depository libraries in a physical form after <1989-95>.
Description based on: 1989-97; title from title screen (viewed Nov. 28, 2001).
Latest issue consulted: 1995-2004.
System Details
Mode of access: Internet from the NSF SRS web site.
Issued By
Issued by: Division of Science Resources Statistics, Directorate for Social, Behavioral, and Economic Sciences, National Science Foundation, <1991-2000->.