PKK Library Search for 'au:"Ward, John F."'

Note on helicopter rotor-blade fatigue-crack propagation rates under equivalent-lifetime fatigue loadings[NASA TN D -1018]

By Ward,John F. Washington, D.C. National Aeronautics and Space Adminstration 1962 . 10p , Bound vol. contains D 1011-1020

By Castle, Claude B.. Washington, D.C National Aeronautics and Space Administration 1961 . 31p , Bound vol. contains NASA TN D 631-640

By Ward, John F.. NASA, Washington, D.C. 1969 . 41p , Technical Note D-5400-20 Bound Vol. No.101163; Contents: TR13764-83

By Huston,Robert J,Ward,John F. Nasa, Washington, D.C. 1963 . 89 , Bound With Nasa Tn D-1631-33,1635-40

By Ward, John F.. Washington National Aeronautics and Space Administration 1966 . 44p