| Publication Type: | Journal Article |
| Year of Publication: | 2004 |
| Authors: | J. E. Richardson, Chatrou, L. W., Mols, J. B., Erkens, R. H. J., Pirie, M. D. |
| Journal: | Philosophical Transactions of the Royal Society of London B series |
| Volume: | 359 |
| Pagination: | 1495-1508 |