(1949). Sheath working of metal powders / by James R. Long and Earl T. Hayes.
Chicago-čujuhus (17. p.)Sheath Working of Metal Powders / by James R. Long and Earl T. Hayes. 1949.
MLA-čujuhus (9. p.)Sheath Working of Metal Powders / by James R. Long and Earl T. Hayes. 1949.
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