Fåk, B. (1990). Elementary Excitations in Liquid 3He and 3He/4He Mixtures.
Lua i Stíl Chicago (17ú heag.)Fåk, Björn. Elementary Excitations in Liquid 3He and 3He/4He Mixtures. 1990.
Lua MLA (8ú heag.)Fåk, Björn. Elementary Excitations in Liquid 3He and 3He/4He Mixtures. 1990.
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