@misc{indiciae6df74c3833ba,
  title = {Power flow for spacecraft power systems},
  author = {Halpin, S. M. and Grigsby, L. L. and Sheble, G. B. and Nelms, R. M.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900050999},
  note = {Source identifier: 19900050999}
}