TY  - RPRT
TI  - Superconductive magnetic-field-trapping device
AU  - Hildebrandt, A. F.
AU  - Elleman, D. D.
AU  - Whitmore, F. C.
PY  - 1965
UR  - https://ntrs.nasa.gov/citations/19730019978
ID  - 19730019978
ER  -