TY  - RPRT
TI  - Nuclear techniques for measuring propellant mass aboard orbiting space vehicles.
AU  - Cho, B. Y.
AU  - Evans, H. J.
AU  - Pfeifer, R. J.
PY  - 1968
UR  - https://ntrs.nasa.gov/citations/19680044667
ID  - 19680044667
ER  -