| Title | Authors | Year | Journal Citation |
| 2.749 KB | Title | Introduction |
| Authors | Allen, C., Bekoff, M. and Lauder, G.V. | |
| Year | 1998 | |
| Journal Citation | Pp. 1-25 in Nature’s Purposes: Analyses of Function and Design in Biology, edited by C. Allen, M. Bekoff, and G.V. Lauder, The MIT Press, Cambridge. |