Savill, P. (1988). British Association for the Advancement of Science 150th annual meeting, Oxford 5-9 September 1988: Papers for section k agriculture and forestry. Oxford Forestry Institute, University of Oxford.

Savill, P. British Association for the Advancement of Science 150th Annual Meeting, Oxford 5-9 September 1988: Papers for Section K Agriculture and Forestry. Oxford Forestry Institute, University of Oxford, 1988.

Savill, P. British Association for the Advancement of Science 150th Annual Meeting, Oxford 5-9 September 1988: Papers for Section K Agriculture and Forestry. Oxford Forestry Institute, University of Oxford, 1988.