TY - GEN AU - Evrard, E.[Ed.] AU - Bergeret, P. [Ed.] AU - Palthe, P. M. Van Wulfften [Ed.] ED - Advisory Group for Aeronautical Research and Development (AGARD) TI - Medical aspects of flight safety (The unexplained aircraft accident) U1 - 629.505 PY - 1959/// CY - London PB - Pergamon Press ER -