Studies of environmental radioactivity in Cumbria. Pt. 16 : Trends in radionuclide concentrations in coastal airborne and deposited materials 1978-1987 / N.J.Fattenden,R.S.Cambray,K.Playford, 1989. - 38 p. - Текст : непосредственный.
Report / Great Britain.Atomic energy authority.Research group. R 13226 : Radioactive fallout in air and rain : Results to the end of 1987 / R.S.Cambray,K.Playford,G.N.J.Lewis,R.C.Carpenter, 1989. - 24 p. - Текст : непосредственный.
Report / Great Britain.Atomic energy authority.Research group. R 13575 : Radioactive fallout in air and rain : Results to the end of 1988 / R.S.Cambray,K.Playford,G.N.J.Lewis,R.C.Carpenter, 1989. - 22 с. - Текст : непосредственный.