Analysis of information sources in references of the Wikipedia article "Radiological warfare" in English language version.
9.111 Even if a radioisotope with suitable properties and which could be readily manufactured were selected as a radiological warfare agent, the problems of production, handling, and delivery of the weapon emitting intense gamma radiation would not be easily solved. In addition, stockpiling the radioactive material would present a difficulty. ... 9.112 Instead of preparing and stockpiling the contaminating agent in advance, with its attendant difficulties, the radioactive substances are produced by fission at the time of the explosion. Radiological warfare has thus become an automatic extension of the offensive use of nuclear weapons of high fission yield.
9.110 ... To be effective, a radiological warfare agent should emit gamma radiations and it should have a half-life of a few weeks or months. Radioisotopes of long half-life give off their radiations too slowly to be effective unless large quantities are used, and those of short half-life decay too rapidly to provide an extended hazard.
(page 465) 9.112 ... The explosion of such devices at low altitudes can cause radioactive contamination over large areas that are beyond the range of physical damage. Consequently, they are, in effect, weapons of radiological warfare.
(page 18:) With respect to its advantages, the Committee has learned ... that RW (radiological warfare), as a new weapon about which most people are poorly informed, is potentiaily valuable for harassment through rumor. (page 22:) Each of these modes of warfare has an unusually high anxiety-causing potential.
