TY  - RPRT
TI  - Automated Water-Purification System
AU  - Ahlstrom, Harlow G.
AU  - Hames, Peter S.
AU  - Menninger, Fredrick J.
PY  - 1988
UR  - https://ntrs.nasa.gov/citations/19880000544
ID  - 19880000544
ER  -