@misc{indiciae1909db1cda39,
  title = {Continuous hydroponic wheat production using a recirculating system},
  author = {Mackowiak, C. L. and Owens, L. P. and Hinkle, C. R. and Prince, R. P.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900009537},
  note = {Source identifier: 19900009537}
}