The PPC-8 Secretariat . . . . . . . . . . . . . . . . . . .
	Dr. Vipavee P. Hoven Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330,THAILAND Tel: 66-2218-4968, 66-2218-4974 Fax: 66-2252-9963 E-mail: ppc8@chula.ac.th