REFERENCES
- G. Findeisen and J. Hewing, Ind. Anzeiger, 1970, Vols. 12 and 13.
- First ISO Draft Proposal for Tensile Test-Specimens for Sintered Metal Pro-ducts, 1970 (ISO/TC 119 47 N).
- G. Zapf, Powder Met., 1970, 13, 130.
- G. Zapf and J. Niessen, ‘Third European Powder Metallurgy Symposium 1971’ (Conference Supplement Part I), P. 151. 1971: London (Inst. Metals).
- UK Patent No. 1 151 832, 1969.
- USA Patent No. 3 410 683, 1968.
- French Patent No. 1 445 127, 1968.
- G. Zapf, U. Voelker, and R. Reinstadler, Forschungsber. Land. Nordrhein- frest-falen, 1965, (1403).
- G. Zapf and J. Niessen, ibid., 1970, (2106).
- G. Zapf and J. Niessen, to be published.