TY  - RPRT
TI  - Conceptual design of a closed loop nutrient solution delivery system for CELSS implementation in a micro-gravity environment
AU  - Schwartzkopf, Steven H.
AU  - Oleson, Mel W.
AU  - Cullingford, Hatice S.
PY  - 1989
UR  - https://ntrs.nasa.gov/citations/19900040490
ID  - 19900040490
ER  -