![]() | Biology and the Manufacturing Industries : Proceedings of Symposium Held at the Royal Geographical Society, London on 29 and 30 September 1966 |
![hidden image for function call](https://upload.wikimedia.org/wikipedia/commons/c/ca/1x1.png)
![]() | Biology and the Manufacturing Industries : Proceedings of Symposium Held at the Royal Geographical Society, London on 29 and 30 September 1966 |