Thelning, K. -. E. (1975). Steel and its heat treatment: :bofors handbook. Butterworths.
Čikaški stil citiranjaThelning, Karl - Erik. Steel and Its Heat Treatment: :bofors Handbook. London: Butterworths, 1975.
MLA način citiranjaThelning, Karl - Erik. Steel and Its Heat Treatment: :bofors Handbook. Butterworths, 1975.
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