@book{huang_ruth_2006, 
  title={Fully Coherent X-ray Pulses from a Regenerative Amplifier Free Electron Laser}, 
  DOI={10.2172/876447}, 
  institution={Office of Scientific and Technical Information  (OSTI)}, 
  author={Huang and Ruth}, 
  year={2006}, 
  month={Feb}
  }