[OS X TeX] Bib problem

[Michael Kubovy]

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After a compilation, my .blg file begins:

This is BibTeX, Version 0.99c (Web2C 7.5.6)
The top-level auxiliary file: 2007GD_0.aux
A level-1 auxiliary file: 2007GD_01_Intro.aux
A level-1 auxiliary file: 2007GD_02_Aims.aux
Case mismatch error between cite keys KubovyVanDenBerg2008 and  
KubovyvandenBerg2008
---line 10 of file 2007GD_02_Aims.aux
: \citation{KubovyVanDenBerg2008
:                               }

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In the .tex file, I have:
\nocite{KubovyVanDenBerg2008}

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In the .bib file I have:
@ARTICLE{KubovyVanDenBerg2008,
   author = {Kubovy, Michael and van den Berg, Martin},
   title = {The whole is equal to the sum of its parts: {A}  
probabilistic model
	of grouping by proximity and similarity in regular patterns},
   journal = {Psychological Review},
   year = {2008},
   volume = {1},
   pages = {6},
}

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Can anyone suggest what might be going on?

I have a root file, 2007GD_0.tex, and one of the files is  
2007GD_02_Aims.tex.

It would help me if replies were cc'd to my email.

Thanks,
MK
_____________________________
Professor Michael Kubovy
University of Virginia
Department of Psychology
USPS:     P.O.Box 400400    Charlottesville, VA 22904-4400
Parcels:    Room 102        Gilmer Hall
         McCormick Road    Charlottesville, VA 22903
Office:    B011    +1-434-982-4729
Lab:        B019    +1-434-982-4751
Fax:        +1-434-982-4766
WWW:    http://www.people.virginia.edu/~mk9y/



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