TY - BOOK TI - On the Proposed Redesign of Space Station Freedom: Letter Report DO - 10.17226/12324 PY - 1991 UR - https://nap.nationalacademies.org/catalog/12324/on-the-proposed-redesign-of-space-station-freedom-letter-report PB - The National Academies Press CY - Washington, DC LA - English KW - Space and Aeronautics ER -