References
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- G. Naeser and F. Zirm, Stahl u. Eisen, 1950, 70, 995.
- H. Franssen, Konstruktion, 1953, 5, (4), 111.
- H. Franssen, Z. Metallkunde, 1954, 46, 328.
- P. E. Evans and G. C. Smith, “Symposium on Powder Metallurgy 1954” (Special Rep. No. 58), p. 131. 1956: London (Iron and Steel Institute); Sheet Metal Ind., 1955, 32, 589.
- S. Storchheim, J. Nylin, and B. Sprissler, Sylvania Technologist, 1955, 8, (2), 42.
- British Patent No. 624,424 (1946).
- German Patent No. 939,241 (1951).
- U.K. Patent Appn. Nos. 36,066 (1955); 16,610 (1956).
- British Patent No. 773,375 (1954).
- German Patent Appn. No. M. 18,078 (1953).
- Iron Age, 1957, 179, (19), 76.
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- German Patent Appn. No. F. 5,408 (1951).