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In this monograph Sievert discusses the mathematics and physics of ionization measuring devices and from these considerations favors condenser-chamber systems, the advantages and disadvantages of which he analyzes in considerable detail. Sievert has developed many condenser-chamber measuring devices useful not only in measuring the various types of x-rays but also gamma rays. In this way the daily treatments at Radiumhemmet can be checked up and also compared with the technics used in other clinics. By the use of these condenser-chambers Sievert is enabled to measure not only surface doses but also those in the various body cavities. The consideration of the physics and construction of these chambers can be followed easily by any one having a meager knowledge of mathematics and physics. The monograph has a bibliography of 171 references, 286 studies and some photographs of these ionization chambers and their accessories and closes with tables of the energy distribution
Eine Methode zur Messung von Röntgen-, Radium- und Ultrastrahlung nebst einige Untersuchungen über die Anwendbarkeit derselben in der Physik und der Medizin: Mit einem Anhang Enthaltend einige Formeln und Tabellen für die Berechnung der Intensitätsverteilung bei γ-Strahlungsquellen. JAMA. 1934;103(4):285. doi:10.1001/jama.1934.02750300059040