TY - BOOK AU - National Research Council TI - Improving Aircraft Safety SN - 978-0-309-03091-5 DO - 10.17226/557 PY - 1980 UR - https://nap.nationalacademies.org/catalog/557/improving-aircraft-safety PB - The National Academies Press CY - Washington, DC LA - English KW - Space and Aeronautics ER -