by Wall J.R.D
Published in Land Resource Study (UK). no. 29 (1979)

by Wall J.R.D
Published in Land Resource Study (UK). no. 29 (1979)

by Hawkes M.D, Wall J.R.D
Year of Publication 1993

by Wall J.R.D. (ed.)
Year of Publication 1979

by Hansell J.R.F, Wall J.R.D
Published in Land Resource Study. Land Resources Division. Ministry of Overseas Development (UK). no. 18 (1976)

by Hansell J.R.F, Wall J.R.D
Year of Publication 1976

by Hansell J.R.F, Wall J.R.D
Published in Land Resource Study. Land Resources Division. Ministry of Overseas Development (UK). no. 18 (1975)

by Hansell J.R.F, Wall J.R.D
Published in Land Resource Study. Land Resources Division. Ministry of Overseas Development (UK). no. 18 (1975)

by Wall J.R.D, Hansell J.R.F
Year of Publication 1974

by Hansell J.R.F, Wall J.R.D
Year of Publication 1974

by Wall, J.R.D. (ed.) (Land Resources Development Centre, Surbiton, Surrey (UK))
Year of Publication 1979

by Wall J.R.D, Hansell J.R.F, Catt J.A, Ormerod E.C, Varley J.A, Webb I.S
Year of Publication 1979

by Wall, J.R.D. (Land Resources Development Centre, Surbiton, Surrey (UK)), Hansell, J.R.F, Catt, J.A, Ormerod, E.C, Varley, J.A, Webb, I.S
Year of Publication 1979

by Wall, J.R.D
Published in Land Resource Study. Land Resources Division Foreign and Commonwealth Office ODA (UK) (1978)

by Hansell, J.R.F, Wall, J.R.D
Published in Land Resource Study, Land Resources Division, Ministry of Overseas Development (UK) (1976)

by Wall, J.R.D, Hansell, J.R.F
Published in 500 no. 18 (1975)

by Wall, J.R.D, Hansell, J.F.R
Published in Land Resource Study. Land Resources Division. Ministry of Overseas Development (UK) (1975)

by Hansell, J.R.F, Wall, J.R.D
Published in Land Resour Study G B Foreign Commonw Off Land Resour Div (1974)

by Wall, J.R.D, Hansell, J.R.F
Published in New Zealand soil news (1972)

by Rees T.I, Howell J.H, Wall J.R.D
Year of Publication 1978