TY - BOOK AU - Transportation Research Board AU - National Research Council TI - Aeronautics Research and Technology for 2050: Letter Report DO - 10.17226/10518 PY - 2002 UR - https://nap.nationalacademies.org/catalog/10518/aeronautics-research-and-technology-for-2050-letter-report PB - The National Academies Press CY - Washington, DC LA - English KW - Space and Aeronautics ER -