Koehler, Werner UNESCO chairs in human rights, democracy, peace and tolerance / Werner Koehler. - Austria : European University Center for Peace Studies, 2002. - 259 p. ; il. UNESCO Chairs in human rights, democracy, peace and tolerance, bulletin No. 4, nov., 2002 ISBN: 3900630178 No. de Clasificación Universal Decimal: 342.7 (07) (100) =20 "2002" KOE No.4.