@misc{W2764035156,
  author = {Daniel F. V. James and Paul G. Kwiat and William J. Munro and A. G. White},
  title = {Measurement of qubits},
  year = {2001},
  howpublished = {Physical Review A},
  doi = {https://doi.org/10.1103/physreva.64.052312}
}