@misc{indiciae331aa065e48f,
  title = {A piezoelectric liquid-compatible microvalve for integrated micropropulsion},
  author = {Lee, Choonsup and Yang, Eui-Hyeok},
  year = {2004},
  url = {https://ntrs.nasa.gov/citations/20060043193},
  note = {Source identifier: 20060043193}
}