Stocking, Michael (1978) Examination of the factors controlling gully growth on cohesive fine sands in Rhodesia.
Stocking, Michael (1978) Relationship of agricultural history and settlement to severe soil erosion in Rhodesia. Zambezia, 6 (2). pp. 129-145.
Stocking, Michael (1978) Remarkable erosion in central Rhodesia. Geographical Association of Rhodesia, Proceedings, 11. pp. 42-56.
Thoburn, John (1978) Malaysia's tin supply problems. Resources Policy, 4 (1). pp. 31-34. ISSN 0301-4207
Thoburn, John (1978) High prices favour small producers. Tin International, 51 (1). pp. 48-50. ISSN 0040-795X