[1] DIPARTIMENTO FARMACO CHIM,I-70126 BARI,ITALY
[2] UNIV PARMA,IST CHIM GEN & INORGAN,CNR,CTR STUDIO STRUTTURIST DIFFRATTOMETR,VIA M AZEGLIO 85,I-43100 PARMA,ITALY
[3] IST CHIM ORGAN,I-00185 ROME,ITALY
[4] UNIV SHEFFIELD,DEPT CHEM,SHEFFIELD S3 7HF,S YORKSHIRE,ENGLAND
[5] DIPARTIMENTO CHIM,I-30123 VENEZIA,ITALY