@book{ international1998iaea, title={Lessons Learned from Accidents in Industrial Radiography}, series={Safety Reports Series}, number={7}, year={1998}, isbn={92-0-103098-3}, url={http://www.dgdingfa.net/publications/5140/lessons-learned-from-accidents-in-industrial-radiography}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }