@misc{indiciaeacd42d2bfaa4,
  title = {First- and second-order density matrices of symmetry-projected single-determinant wavefunctions.},
  author = {Harriman, J. E. and Simons, J.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690065821},
  note = {Source identifier: 19690065821}
}