Observing the present and considering the past to ponder the future
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| Format: | Article |
| Language: | English |
| Published: |
Academy of Science of South Africa
2009-12-01
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| Series: | South African Journal of Science |
| Online Access: | http://192.168.0.117/index.php/sajs/article/view/10072 |
| ISSN: | 1996-7489 |
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