TY - BOOK TI - Working Group on Problems of Weightlessness in Space Flight DO - 10.17226/12420 PY - 1963 UR - https://nap.nationalacademies.org/catalog/12420/working-group-on-problems-of-weightlessness-in-space-flight PB - The National Academies Press CY - Washington, DC LA - English KW - Space and Aeronautics ER -