The TurbuIent Boundary Layer…2 NonIinear EIasticity…53 PhysicaIand StatistiaI Aspects of Fatigue…116 Three-DimensionaIBoundary Layer Theory…160 DisIocation Theory of PIasticity of MetaIs…229 The Poincare-LighthiII-Kuo Method…281 On the Concept of EIastic StabiIity…352