Migration processes induced in solids -- Stress relaxation in glasses -- Density relaxations in glasses -- The background of internal friction -- Creep of steel and the static fatigue of glass -- The activation energy of the static fatigue and creep -- Fatigue due to an oscillating load of steel and aluminum -- Statistical checks of Stromeyer's fatigue formula -- Models for defect growth -- Generalized laws of strength degradation -- A compressive stress resulting from Tamm's electronic surface states -- The activation energy of creep and the surface energy of solids -- Open questions -- Nonlinear regression -- Solutions for the damped oscillations 1 -- Solutions for the damped oscillations 2 -- Harmonics by stress relaxation -- The approximate linearity of equation (7.9) -- A tube-like specimen for fatigue tests.