Vol 21, No 1 (2005)

Table of Contents

Editorial

Editorial to Volume 21(1)
 
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Research Articles

JW Joubert, DG Conradie
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G Venter, JS Wolvaardt
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GW Groves, JH van Vuuren
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PO de Wet
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JF Bekker, M Mostert, FE van Dyk
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WJ Pienaar
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