@article{Nisan91:0,
  title = {Pseudorandom bits for constant depth circuits},
  author = {Noam Nisan},
  year = {1991},
  researchr = {https://researchr.org/publication/Nisan91%3A0},
  cites = {0},
  citedby = {0},
  journal = {Combinatorica},
  volume = {11},
  number = {1},
  pages = {63-70},
}