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- [2] COMPARISON OF KNOOP AND VICKERS INDENTATIONS FOR CONTROLLED SURFACE FLAW FRACTURE-TOUGHNESS JOURNAL OF METALS, 1981, 33 (09): : A22 - A22
- [3] COMPARISON OF KNOOP AND VICKERS INDENTATIONS FOR CONTROLLED SURFACE-FLAW FRACTURE-TOUGHNESS AMERICAN CERAMIC SOCIETY BULLETIN, 1981, 60 (08): : 853 - 853