Crowther, J. A. (1929). Ions, electrons, and ionizing radiations (5th ed.). Longmans, Green & co.; Chapman & Hall.
Lua i Stíl Chicago (17ú heag.)Crowther, James Arnold. Ions, Electrons, and Ionizing Radiations. 5th ed. New York, London: Longmans, Green & co.; Chapman & Hall, 1929.
Lua MLA (8ú heag.)Crowther, James Arnold. Ions, Electrons, and Ionizing Radiations. 5th ed. Longmans, Green & co.; Chapman & Hall, 1929.
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