Guppy R.M. Studies of the solubility of technetium under a range of redox conditions / R.M.Guppy,A.Atkinson,T.M.Valentine, 1989. - 26 p. - Текст : непосредственный.
Guppy R.M. evolution of redox conditions in a radwaste repository : Preliminary investigations / R.M.Guppy,A.Atkinson, 1989. - 20 p. - Текст : непосредственный.