FrickeH.HartE. J.: Chemical dosimetry. In:Radiation dosimetry. Volume 2, p. 167. Edited by AttixF. H.RoeschW. C.TochilinE.. Academic Press, New York and London1966.
2.
LawJ.: Ferrous sulphate G-values for X-rays of ‘effective’ energy 48 and 25 keV. Phys. in Med. Biol.4 (1969), 607.