Reference sources for the calibration of surface contamination monitors - beta - emitters and alpha - emitters
2.
0 . 15mev evaluation of surface contamination . part 1 : beta - emitters maximum beta energy greater than 0 , 15 mev and alpha - emitters
3.
E 0 , 15mev evaluation of surface contamination . part 3 : isomeric transition and electron capture emitters , low energy beta - emitters e beta max inferior to 0 , 15 mev