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\newblock {\em IEEE Transactions on Pattern Analysis and Machine Intelligence},
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\bibitem{Besl_1992}
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\newblock A method for {R}egistration of 3--{D} {S}hapes.
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\bibitem{Lorusso_1995}
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\newblock In {\em Proceedings of the 4th British Machine Vision Conference
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\end{thebibliography}