Robert E Smith. (1967). Forging and welding. Illinois: McNight and McNight.
Trích dẫn kiểu ChicagoRobert E Smith. Forging and Welding. Illinois: McNight and McNight, 1967.
Deismireacht MLARobert E Smith. Forging and Welding. Illinois: McNight and McNight, 1967.
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