TY  - RPRT
TI  - Manned expedition to Mars: concepts & problems.
AU  - L B Strogonova
AU  - G Leonid
PY  - 1991
DO  - 10.1016/0094-5765(91)90129-s
UR  - https://pubmed.ncbi.nlm.nih.gov/11537136/
ID  - 11537136
ER  -