2008-12-032008-12-039631911152http://hdl.handle.net/2437/39149Kémia tankönyv.9631911152http://webpac.lib.unideb.hu:8082/WebPac/CorvinaWeb?action=cclfind&resultview=long&ccltext=idno+bibKLT00294776bibKLT00294776