http://mathematica.stackexchange.com/questions/20882/distribution-of-random-points-in-3d-space-to-simulate-the-crab-nebula

http://mathematica.stackexchange.com/questions/20882/distribution-of-random-points-in-3d-space-to-simulate-the-crab-nebula

https://ay201b.wordpress.com/2011/04/12/course-notes/

xterm... Alt+ Click on the trackpad...

http://www.astrobetter.com/fourier-transforms-of-images-in-python/


http://www.ias.u-psud.fr/CIBA/Talks/holder_power_spectrum_II.pdf