TY - BOOK ID - 141053715 TI - Engineer in charge : a history of the Langley aeronautical laboratory, 1917-1958 AU - Hansen, James R. AU - National Aeronautics and space administration PY - 1987 DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:141053715 AB - ER -