TY - RPRT TI - Continuous hydroponic wheat production using a recirculating system AU - Mackowiak, C. L. AU - Owens, L. P. AU - Hinkle, C. R. AU - Prince, R. P. PY - 1989 UR - https://ntrs.nasa.gov/citations/19900009537 ID - 19900009537 ER -