POLISH ACADEMY OF SCIENCES STANISŁAW LESZCZYCKI INSTITUTE OF GEOGRAPHY AND SPATIAL ORGANIZATION CENTRE FOR EUROPEAN STUDIES POLISH GEOGRAPHICAL SOCIETY EUROPA XXI 15 REGIONAL PERIPHERY IN CENTRAL AND EASTERN EUROPE EDITORS: TOMASZ KOMORNICKI and KONRAD Ł. CZAPIEWSKI WARSZAWA 2006 BCI@PAN http://bibliotekacyfrowa.pan.pl