STANCIU, Cristian, Ionel PETREA, und Horia SILVICA. „Calibration and Reference Blocks Used in Nondestructive Ultrasound Examination, According to New European Union Requirement“s. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science 29, no. 1 (Mai 15, 2006): 63-66. Zugegriffen Dezember 18, 2025. https://gup.ugal.ro/ugaljournals/index.php/mms/article/view/3230.