@misc{indiciae6e952afdbae5,
  title = {Portable Electron-Beam Free-Form Fabrication System},
  author = {Watson, J. Kevin and Petersen, Daniel D. and Taminger, Karen M. and Hafley, Robert A.},
  year = {2005},
  url = {https://ntrs.nasa.gov/citations/20110015095},
  note = {Source identifier: 20110015095}
}