TY  - RPRT
TI  - Acoustic device and method for measuring gas densities
AU  - Shakkottai, Parthasarathy
AU  - Kwack, Eug Y.
AU  - Back, Lloyd
PY  - 1992
UR  - https://ntrs.nasa.gov/citations/19930004233
ID  - 19930004233
ER  -