@misc{indiciae4f7680e4b9c2,
  title = {On estimating the entropy of random fields},
  author = {Kaplan, A. J. and Spencer, R. V. and Tzannes, N. S.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700051655},
  note = {Source identifier: 19700051655}
}