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\noindent
Dr. Alan W. Harris\\
MoreData!\\
La Canada, CA, USA\\
\\

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30 April 2013\\                                                                   
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\textbf{To whom it may concern,}

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\noindent
As one of the co-author of the publication: \\

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Kryszczyńska A., La Spina A., Paolicchi P., Harris A.W., Breiter S.,
Pravec P. 2007. \\
New findings on asteroids spin-vectors distribution. \\
{\it Icarus} 192, 223-237\\


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I communicate my agreement for using the above mentioned paper for the 
habilitation of Dr. Agnieszka Kryszczyńska.\\
My contribution to the paper was...

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Alan W. Harris
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