Crop-circle geometry

compiled by Jonah Ohayv

I. The mathematical eqivalents of musical tones and crop-circle's geometrical relations, by Gerald Hawkins and others:

http://www.cropcirclesecrets.org/hawkins.html
http://www.cropcirclesecrets.org/crop_circles_theorems.html
examples - http://www.cropcirclesecrets.org/hawkinsb.html and so on
http://cropcircleconnector.com/ilyes/ilyes16.html
http://www.cropcirclesecrets.org/crop_circles_diatonics.html
http://cropcircleconnector.com/Dutch/CROPCIRCLESAN%20QUANTUMMECHANICS.html

II. The many-faceted crop-circle geometrical research of Bert Janssen:

http://www.cropcirclesandmore.com/content/welcome.html

III. A high-school textbook of crop-circle geometry, by Nick Kollerstrom:

http://www.hypermaths.org/cropcircles

IV. Geometrical construction of crop-circles' shapes:

http://www.cropcircle-archive.com/1_UK/3_geo/geo.html click "geometry"
http://www.cropcirclesecrets.org/crop_circles_sacredgeo.html
http://www.zefdamen.nl/CropCircles/en/Crop_circles_en.htm
http://www.martinkeitel.net/cropcircles/ under "articles & research"
http://www.sayer.abel.co.uk/geometry.htm
https://www.michaelglickmanoncropcircles.com/category/blog/ down the page under "archives"

V. Pentagonal geometry behind crop-circles, by Wolfgang Schindler:

http://www.kornkreise.info/schindler click "T", then "evolution and geometry"