@book{
international2011iaea,
title={On-site Visits to Radiotherapy Centres: Medical Physics Procedures
Quality Assurance Team for Radiation Oncology (QUATRO)},
series={TECDOC Series (CD-ROM)},
number={1543},
year={2011},
isbn={978-92-0-170210-4},
url={http://www.dgdingfa.net/publications/8832/on-site-visits-to-radiotherapy-centres-medical-physics-procedures-quality-assurance-team-for-radiation-oncology-quatro},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}