Figure 2. Relationship of radioactivity to distonce from bomb site. Counts minute, a8 measured for a given distonce with a G-M irrespective survey meter, ore average of direction from: the per values bomb site. + | / 400 aN YAROS,
Figure 2. Relationship of radioactivity to distonce from bomb site. Counts minute, a8 measured for a given distonce with a G-M irrespective survey meter, ore average of direction from: the per values bomb site. + | / 400 aN YAROS,