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Lua i Stíl Chicago (17ú heag.)Berghuis, J. The Method of Critical Regions for Twodimensional Integrals and Its Application to a Problem of Antenna Theory. 's-Gravenhage: Uitgeverij Excelsior, 1955.
Lua MLA (8ú heag.)Berghuis, J. The Method of Critical Regions for Twodimensional Integrals and Its Application to a Problem of Antenna Theory. Uitgeverij Excelsior, 1955.
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