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Lua i Stíl Chicago (17ú heag.)Nieminen, Risto. Studies of Electrons and Positrons in Imperfect Solids. Helsinki: Dept. of Technical Physics, Helsinki University of Technology, 1975.
Lua MLA (8ú heag.)Nieminen, Risto. Studies of Electrons and Positrons in Imperfect Solids. Dept. of Technical Physics, Helsinki University of Technology, 1975.
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