Volume 4, Number 4, Article 9, Pages 329-351 doi:10.1167/4.4.9 http://journalofvision.org/4/4/9/ ISSN 1534-7362
Corrections
1 Date published: 
4/28/2005
Original article: 
Description: 
In the original PDF format article, Equation 2 was incorrect and an incorrect figure was substituted for Figure 8.
 




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