[1] VICTORIA UNIV WELLINGTON, DEPT CHEM, WELLINGTON, NEW ZEALAND
[2] UNIV LAUSANNE, INST CHIM MINERALE & ANALYT, CH-1005 LAUSANNE, SWITZERLAND
[3] UNIV NEWCASTLE, DEPT CHEM, NEWCASTLE, NSW 2308, AUSTRALIA
[4] AUSTRALIAN NATL UNIV, RES SCH CHEM, CANBERRA, ACT 2601, AUSTRALIA
[5] UNIV WESTERN AUSTRALIA, DEPT PHYS & INORGAN CHEM, NEDLANDS, WA 6009, AUSTRALIA