@book{ internationaliaea, title={Physical Aspects of Radioisotope Brachytherapy}, series={Technical Reports Series}, number={75}, year={}, isbn={92-0-115167-5}, url={http://www.dgdingfa.net/publications/1173/physical-aspects-of-radioisotope-brachytherapy}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }