Co-ordination /
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
London :
Macdonald Educational,
1977.
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| Series: | Biology colour units
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| Subjects: |
| Physical Description: | [1], 24, [1] p. : ill. (chiefly col.) ; 27 cm. |
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| ISBN: | 0356055221 (Pbk) |