1. New ionization chambers for beta and X-radiation;Albuquerque;Nucl. Instrum. Methods Phys. Res.,1989
2. Böhm extrapolation chamber: study of its behavior in beta radiation fields at the Calibration Laboratory of IPEN;Antonio;Radiat. Phys. Chem.,2014
3. Standardization and calibration in beta dosimetry;Böhm,1984
4. The National Primary Standard of the PTB for Realizing the Unit of the Absorbed Rate to Tissue for Beta Radiation;Böhm,1986
5. Review of extrapolation chamber measurements of beta rays and low energy X-rays;Böhm;Radiation Protection Docimetry,1986