@misc{W1479979375,
  author = {C. Radhakrishna Rao},
  title = {Information and the Accuracy Attainable in the Estimation of Statistical Parameters},
  year = {1992},
  howpublished = {Springer series in statistics},
  doi = {https://doi.org/10.1007/978-1-4612-0919-5\_16}
}