@misc{indiciaef118519717f2,
  title = {Sensitivity Equation Derivation for Transient Heat Transfer Problems},
  author = {Hou, Gene and Chien, Ta-Cheng and Sheen, Jeenson},
  year = {2004},
  url = {https://ntrs.nasa.gov/citations/20040129711},
  note = {Source identifier: 20040129711}
}