Production Engineering Research Association of Great Britain. (1961). An investigation into the effects of point thinning and drill stiffness on drill performance. The Association.
Citace podle Chicago (17th ed.)Production Engineering Research Association of Great Britain. An Investigation into the Effects of Point Thinning and Drill Stiffness on Drill Performance. [Melton Mowbray, Leicestershire]: The Association, 1961.
Citace podle MLA (8th ed.)Production Engineering Research Association of Great Britain. An Investigation into the Effects of Point Thinning and Drill Stiffness on Drill Performance. The Association, 1961.
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