next up previous
Next: Bibliography Up: Technical_report Previous: Summary and future developments

Acknowledgements

We thank Prof. Louise N. Johnson for her support and encouragement, and Dr. Stephen M. J. Searle for helpful discussions. This work was supported by a BBSRC studentship to AS. GJB thanks the European Molecular Biology Laboratory and the Royal Society for support.

Uwe Dengler, 2000-10-16