TY - BOOK AU - Gibbs-Smith,C.H. AU - Bradford,L.E TI - World aircraft: recognition manual U1 - 629.133 PY - 1956/// CY - London PB - Putnam KW - Aircraft accidents KW - Human factors KW - Aircraft industry KW - Aircraft engine industry KW - Airplanes KW - Recognition N1 - Includes index ER -