Prof. R. G. Gilbert<br/> Chemistry School<br/> Sydney University<br/> NSW 2006, Australia<br/> Tel.: +612 9351 3366<br/> Fax: +612 9351 3329<br/> E-mail: gilbert@chem.usyd.edu.au<br/>> Conference report, Chem. Int.21(4), 110 (1999) <br/>> Published in Macromol. Symp.143, 1-370 (1999)