Mathurt KK, Needleman A, Tvergaard V (maio de 1994). «3D analysis of failure modes in the Charpy impact test». Modeling and Simulation in Materials Science Engineering. 2 (3A): 617–35. Bibcode:1994MSMSE...2..617M. doi:10.1088/0965-0393/2/3A/014 !CS1 manut: Nomes múltiplos: lista de autores (link)
Mathurt KK, Needleman A, Tvergaard V (maio de 1994). «3D analysis of failure modes in the Charpy impact test». Modeling and Simulation in Materials Science Engineering. 2 (3A): 617–35. Bibcode:1994MSMSE...2..617M. doi:10.1088/0965-0393/2/3A/014 !CS1 manut: Nomes múltiplos: lista de autores (link)
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Kurishita H, Kayano H, Narui M, Yamazaki M, Kano Y, Shibahara I (1993). «Effects of V-notch dimensions on Charpy impact test results for differently sized miniature specimens of ferritic steel». Japan Institute of Metals. Materials Transactions - JIM. 34 (11): 1042–52. ISSN0916-1821 !CS1 manut: Nomes múltiplos: lista de autores (link)