TY  - RPRT
TI  - Efficient concepts for large erectable space structures
AU  - Card, M. F.
AU  - Bush, H. G.
AU  - Heard, W. L., Jr.
AU  - Mikulas, M. M., Jr.
PY  - 1978
UR  - https://ntrs.nasa.gov/citations/19790001929
ID  - 19790001929
ER  -