TY  - RPRT
TI  - In-flight maintenance study Final report
AU  - Gusman, J.
AU  - Mc Candliss, W.
AU  - Polhemus, J. T.
AU  - Starner, D.
AU  - Zermuehlen, R.
PY  - 1969
UR  - https://ntrs.nasa.gov/citations/19700007395
ID  - 19700007395
ER  -