Reference:
- Author: Stefan Behnel
  Title: "Cython: The Best of Both Worlds"
  Journal: Computing in Science & Engineering
  Volume: 13
  Number: 2
  Pages: 31-39
  Year: 2011
  DOI: 10.1109/MCSE.2010.118
Funding:
 - Enthought Inc.
 - Google GSoC-2008, GSoC-2010



Cite-As: Francisco Garcia <frosal@fi.upm.es> and  Md Jahidul Hamid <jahidulhamid@yahoo.com>, 3.9.6, 2017.
Reference:
- Author: David H. Brainard
  Title: The Psychophysics Toolbox
  Journal: Spatial Vision
  Volume: 10
  Number: 4
  Pages: 443-446
  Year: 1997
  DOI: 10.1163/156856897X00357
- Author: D.G. Pelli
  Title: "The VideoToolbox software for visual psychophysics: Transforming numbers into movies"
  Journal: Spatial Vision
  Volume: 10
  Number: 4
  Pages: 437-442
  Year: 1997
  DOI: 10.1163/156856897X00366
  PMID: 9176953