[1] R. Nath, L.L. Anderson, G. Luxton, K.A. Weaver, J.F. Williamson, A.S. Meigooni. Dosimetry of interstitial brachytherapy sources: recommendations of the AAPM Radiation Therapy Committee Task Group No. 43. American Association of Physicists in Medicine. Medical Physics 22 (1995) 20-34.
[2] F. Khan. Khan's the physics of radiation therapy. 5th ed, (2014).
[3] D.M. Duggan. Improved radial dose function estimation using current version MCNP Mont-Carlo simulation: Model 6711 and ISC3500 125I brachytherapy sources. Applied Radiation and Isotopes 61 (2004) 1443-1450.
[4] A. Kirov, J. Williamson. Monte Carlo-aided dosimetry of the Source Tech Medical Model STM1 I-125 interstitial brachytherapy source. Medical Physics 28 (2001) 764–772.
[5] E. Van Roosenbeek, R.J. Shalek, E.B. Moore. Safe encapsulation period for sealed. Medical radium sources. American Journal of Roentgenology 102 (1968) 697–712.
[6] G.N. Whyte. Attenuation of radium gamma radiation in cylindrical geometry. British Journal of Radiology 28 (1955) 635-6.
[7] K. Tanaka, K. Kamo, K. Tateoka, O. Asanuma, K. Sato, H. Takeda, K. Sakata, and J. Takada. A comparison of the dose distributions between the brachytherapy 125I source models, STM1251 and Oncoseed 6711, in a geometry lacking radiation equilibrium scatter conditions. Journal of Radiation Research 56 (2015) 366–371.
[8] R.M. Sivert. Die Intensitatsverteilung der Primaren Gamma-Strahlung in der Nahe medizinischer Radiumpraparate. Acta Radiologica 1 (1921) 89.
[9] L. Beaulieu, A.C. Tedgren, J.F. Carrier, S.D. Davis, F. Mourtada, M.J. Rivard, R.M. Thomson, F. Verhaegen, T.A. Wareing, J.F. Williamson. Report of the Task Group 186 on model-based dose calculation methods in brachytherapy beyond the TG-43 formalism: Current status and recommendations for clinical implementation. Medical Physics 39 (2012) 10.