@misc{indiciae1f683dcaede9,
  title = {Mechanical modulation for multiplex gas chromatographic analyses at subatmospheric pressures},
  author = {Valentin, J. R. and Hall, K. W. and McKay, C. P. and Mancinelli, R. L.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/20040089576},
  note = {Source identifier: 20040089576}
}