Al Tech Specialty Steel Corporation. (1984). Tool and die Steel handbook (1a. ed.). Al Tech Specialty Steel Corporation.
Chicago-čujuhus (17. p.)Al Tech Specialty Steel Corporation. Tool and Die Steel Handbook. 1a. ed. Nueva York: Al Tech Specialty Steel Corporation, 1984.
MLA-čujuhus (9. p.)Al Tech Specialty Steel Corporation. Tool and Die Steel Handbook. 1a. ed. Al Tech Specialty Steel Corporation, 1984.
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