1. Decree on the protection of workers and the public from the effects of ionizing radiation.,2006
2. ÖNORM S 5250—1: Counting statistics in radioactivity measurements.,1995
3. Data reduction and error analysis for the physical sciences.;Bevington,2003
4. DIN 25482-8: Detection limit and decision threshold for nuclear radiation measurements—Part 8: Counting measurements at moving objects.,1999