2008-12-122008-12-12963773175xhttp://hdl.handle.net/2437/57718Egyetemi tankönyv.963773175xhttp://webpac.lib.unideb.hu:8082/WebPac/CorvinaWeb?action=cclfind&resultview=long&ccltext=idno+bibDOT00003910bibDOT00003910