TY - BOOK AU - Hansen,James R. TI - Engineer in charge: a history of the Langley Aeronautical Laboratory, 1917-1958 AV - TL568.L34 H36 1987 U1 - 629.13/00720755/412 19 PY - 1987/// CY - Washington, D.C. PB - Scientific and Technical Information Office, National Aeronautics and Space Administration KW - Langley Aeronautical Laboratory KW - History N1 - Includes index; Bibliography: p. 515-565 ER -