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Translated from Poroshkovaya Metallurgiya, No. 2(302), pp. 90–92, February, 1988.
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Arifov, P.U., Kalamazov, R.U., Shevelev, S.V. et al. Examination of the defective structure of tungsten powers by the electron-positron annihilation method. Powder Metall Met Ceram 27, 169–171 (1988). https://doi.org/10.1007/BF00802748
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DOI: https://doi.org/10.1007/BF00802748