@misc{indiciae6e51059c1433,
  title = {The decrease in effective photocurrents due to saddle points in electrostatic potentials near differentially charged spacecraft},
  author = {Mandell, M. J. and Katz, I. and Schnuelle, G. W. and Steen, P. G. and Roche, J. C.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790046127},
  note = {Source identifier: 19790046127}
}