Seven-Set Venn Diagrams with Rotational and Polar Symmetry

A. W. F. Edwards. Seven-Set Venn Diagrams with Rotational and Polar Symmetry. Combinatorics, Probability & Computing, 7(2):149-152, 1998.

@article{Edwards98,
  title = {Seven-Set Venn Diagrams with Rotational and Polar Symmetry},
  author = {A. W. F. Edwards},
  year = {1998},
  researchr = {https://researchr.org/publication/Edwards98},
  cites = {0},
  citedby = {0},
  journal = {Combinatorics, Probability & Computing},
  volume = {7},
  number = {2},
  pages = {149-152},
}