STANCIU, Cristian, Ionel PETREA, and Horia SILVICA. “Calibration and Reference Blocks Used in Nondestructive Ultrasound Examination, According to New European Union Requirements”. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science 29, no. 1 (May 15, 2006): 63-66. Accessed December 27, 2024. https://gup.ugal.ro/ugaljournals/index.php/mms/article/view/3230.