TY - BOOK TI - Scientific Opportunities in the Human Exploration of Space DO - 10.17226/9188 PY - 1994 UR - https://nap.nationalacademies.org/catalog/9188/scientific-opportunities-in-the-human-exploration-of-space PB - The National Academies Press CY - Washington, DC LA - English KW - Space and Aeronautics ER -