@misc{indiciaed30c783e3177,
  title = {Accumulator for shaft encoder},
  author = {Carroll, C. C. and Childs, J. A. and Robison, R. J.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680000093},
  note = {Source identifier: 19680000093}
}