@book{underwood_keating_troiano_parker_2010, 
  title={Expression for Calculating Plastic Radius, c, from Slit Opening of a Disk from an Autofrettaged Tube}, 
  DOI={10.21236/ada589992}, 
  institution={Defense Technical Information Center}, 
  author={Underwood and Keating and Troiano and Parker}, 
  year={2010}, 
  month={Nov}
  }