prepared by the Congressional Research Service, Library of Congress, transmitted to the Committee on Science, Space, and Technology, U.S. House of Representatives, One Hundred Third Congress, second session
prepared by the Congressional Research Service, Library of Congress ; transmitted to the Committee on Science, Space, and Technology, U.S. House of Representatives, One Hundred Second Congress, first session
prepared by the Congressional Research Service, Library of Congress, transmitted to the Committee on Science, Space, and Technology, U.S. House of Representatives, One Hundred First Congress, first session