@misc{indiciaede5ad1bbc514,
  title = {Molecular beams},
  author = {Billman, K. W. and Fokkens, K. and King, J. G. and Searle, C. L. and Zacharias, J. R.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670013313},
  note = {Source identifier: 19670013313}
}