415997 Gregory, E., & Simons, E. N. Stainless and heat-resisting steel.
Chicago-čujuhus (17. p.)415997 Gregory, Edwin, juo Eric Norman Simons. Stainless and Heat-resisting Steel.
MLA-čujuhus (9. p.)415997 Gregory, Edwin, juo Eric Norman Simons. Stainless and Heat-resisting Steel.
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