Savill, P. (1988). National hardwoods programme: Report of the eighth meeting and second meeting of the Uneven-aged Silviculture Group 7 January 1988. Oxford Forestry Institute, University of Oxford.

Savill, P. National Hardwoods Programme: Report of the Eighth Meeting and Second Meeting of the Uneven-aged Silviculture Group 7 January 1988. Oxford Forestry Institute, University of Oxford, 1988.

Savill, P. National Hardwoods Programme: Report of the Eighth Meeting and Second Meeting of the Uneven-aged Silviculture Group 7 January 1988. Oxford Forestry Institute, University of Oxford, 1988.