2009-04-282009-04-2820069789634732198http://hdl.handle.net/2437/850529789634732198http://webpac.lib.unideb.hu:8082/WebPac/CorvinaWeb?action=cclfind&resultview=long&ccltext=idno+bibDEK00615293bibDEK00615293BIBFORM001137