@book{ international2013iaea, title={Transitioning from 2-D Radiation Therapy to 3-D Conformal Radiation Therapy and Intensity Modulated Radiation Therapy: Training Material}, series={Training Course Series (CD-ROM)}, number={55}, year={2013}, url={http://www.dgdingfa.net/publications/10485/transitioning-from-2-d-radiation-therapy-to-3-d-conformal-radiation-therapy-and-intensity-modulated-radiation-therapy-training-material}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }