Department of Chemistry
Technion-Israel Institute of Chemistry
Haifa 32000 Israel
Department of Chemistry
University of Southampton
Southampton SO17 1BJ (UK)
http://www.soton.ac.uk/~chemweb/
Department of Chemistry & Biochemistry
University of Oklahoma
Norman OK 73019-0370 (USA)
Department of Chemistry
University of Tunis
Tunis (Tunisia)
Department of Chemistry
University of Alger (USTHB)
Alger (Algeria)