"Nonlinear ultrasonic spectroscopy as a tool to evaluate building material structure damage" . . "0"^^ . "5dXNFmrZQcdnVMe!Ddo5HQGJabw=" . . . . "0"^^ . "The e-Journal of Nondestructive Testing" . "1"^^ . "http://www.isvav.cz/h12/resultDetail.do?rowId=RIV%2F00216305%3A26110%2F10%3APU90653!RIV11-GA0-26110___"^^ . . . . . "\u010Cl\u00E1nek v \u010Dasopise m\u00E1 ISSN, ale to nespad\u00E1 do \u017E\u00E1dn\u00E9 bodovan\u00E9 kategorie." . "0"^^ . "RIV/00216305:26110/10:PU90653!RIV11-GA0-26110___" . . "0"^^ . . .