References

Boden, Margaret A.1985. “Wonder and Understanding. Zygon: Journal of Religion and Science  20 (December):391–400.

MacKay, Donald M.1985. “Machines, Brains, and Persons. Zygon: Journal of Religion and Science  20 (December):401–12.

Sparks, John. 1982, The Discovery of Animal Behaviour. London : BBC/Collins.