Digital Telephony and Law Enforcement Access to Advanced Telecommunications Technologies and Services

[Joint Hearings Before the Subcommittee on Technology and the Law of the Senate Committee on the Judiciary, and the Subcommittee on Civil and Constitutional Rights of the House Committee on the Judiciary, One Hundred Third Congress, Second Session, on H.R. 4922 and S. 2375 ... March 18 and August 11, 1994.]

Hearing on the White House Office of Science and Technology Policy and the Fiscal Year 1996 Budget of the National Science Foundation

[Hearing Before the Subcommittee on Science, Technology, and Space of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fourth Congress, First Session, March 30, 1995.]

NASA's Relevance to the U.S. Economy

[Hearing Before the Subcommittee on Science, Technology, and Space of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Third Congress, First Session, October 28, 1993.]