Tohutoro APA (7th ed.)
ebrary, Inc, & Herrmann, K. (2011). Hardness testing: Principles and applications. ASM International.
Tohutoru Kātū Chicago (17th ed.)
ebrary, Inc, me Konrad Herrmann. Hardness Testing: Principles and Applications. Materials Park, Ohio: ASM International, 2011.
Tohutoro MLA (9th ed.)
ebrary, Inc, me Konrad Herrmann. Hardness Testing: Principles and Applications. ASM International, 2011.
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