| Rights Statement: | |
|---|---|
| Restrictions on use: | |
| Duration: | 00:44:30 |
| Note: | N.B This is a selection of clips used from several different Open University courses. |
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| Producer: | Bob Walters |
| Publisher: | BBC Open University |
| Production number: | NINH30018 |
| Available to public: | no |
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