[Reference to "Notes from a trip to the USA in fall 1967" of Walo von Greyerz, civil defense supervisor, Sweden].
D002959:Civil Defense; D011847:Radioactive Fallout; D014481:United States
D011847:Radioactive Fallout
Referat af "Anteckningar från en resa till USA Hösten 1967" af Walo von Greyerz, civilforsvarsoverlaege, Sverige.