Continuity Gage Measurement of Crack Growth on Flat and Curved Surfaces at Cryogenic Temperatures / Timothy L. Sullivan and Thomas W. Orange.Timothy L. Sullivan1966
A Crack Growth Gage for Assessing Flaw Growth Potential in Structural Components / R.L. Crane, A.F. Grandt, J.P. Gallagher.R. Crane1976EN
