TY  - RPRT
TI  - Device for measuring the contour of a surface
AU  - Burcher, E. E.
AU  - Katzberg, S. J.
AU  - Kelly, W. L., IV
PY  - 1978
UR  - https://ntrs.nasa.gov/citations/19780019961
ID  - 19780019961
ER  -