Böttcher, C. J. (1952). Theory of electric polarisation. Elsevier.
Lua i Stíl Chicago (17ú heag.)Böttcher, C. J. Theory of Electric Polarisation. Amsterdam: Elsevier, 1952.
Lua MLA (9ú heag.)Böttcher, C. J. Theory of Electric Polarisation. Elsevier, 1952.
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