TY - RPRT TI - Development and research program for a soil-based bioregenerative agriculture system to feed a four person crew at a Mars base. AU - S Silverstone AU - M Nelson AU - A Alling AU - J Allen PY - 2003 DO - 10.1016/s0273-1177(02)00661-0 UR - https://pubmed.ncbi.nlm.nih.gov/12577934/ ID - 12577934 ER -