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\bibcite{ifea02a}{\citeauthoryear {Feather and Menzies}{2002}}
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\bibcite{ime01g}{\citeauthoryear {Menzies and Hu}{2001a}}
\bibcite{ime01f}{\citeauthoryear {Menzies and Hu}{2001b}}
\bibcite{ime01h}{\citeauthoryear {Menzies and Hu}{2002}}
\bibcite{ime00t}{\citeauthoryear {Menzies and Singh}{2001}}
\bibcite{ime00e}{\citeauthoryear {Menzies and Sinsel}{2000}}
\bibcite{iparkes99lifted}{\citeauthoryear {Parkes}{1999}}
\bibcite{iquinlan92}{\citeauthoryear {Quinlan}{1992}}
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