@misc{indiciae069b7b00b9d0,
  title = {Omni-directional anisotropic molecular trap Patent},
  author = {Hardgrove, W. F. and Shapiro, H.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19710008313},
  note = {Source identifier: 19710008313}
}