Available online
| Item code: | S23-; 02 |
|---|---|
| First transmission date: | 1972-03-22 |
| Published: | 1972 |
| Rights Statement: | Rights owned or controlled by The Open University |
| Restrictions on use: | This material can be used in accordance with The Open University conditions of use. A link to the conditions can be found at the bottom of all OU Digital Archive web pages. |
| Duration: | 00:17:32 |
| + Show more... | |
| Producer: | Peter Clark |
| Contributor: | Dennis Jackson |
| Publisher: | BBC Open University |
| Keyword(s): | Climatic changes; Extinctions; Fluctuations in the ice caps; GEomagnetic reversals; Mesozoic; Palaeozoic |
| Master spool number: | TLN05FM527 |
| Production number: | TLN05FM527 |
| Available to public: | no |
