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Lua i Stíl Chicago (17ú heag.)Van Pijkeren, Dirk. The Influence of Internal Energy on the Cross Sections of Ion-molecule Reactions. Utrecht: Drukkerij elinkwijk Bv, 1985.
Lua MLA (8ú heag.)Van Pijkeren, Dirk. The Influence of Internal Energy on the Cross Sections of Ion-molecule Reactions. Drukkerij elinkwijk Bv, 1985.
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