TY  - RPRT
TI  - Optical sample-position sensing for electrostatic levitation
AU  - Sridharan, G.
AU  - Chung, S.
AU  - Elleman, D.
AU  - Whim, W. K.
PY  - 1989
UR  - https://ntrs.nasa.gov/citations/19900058142
ID  - 19900058142
ER  -