Arboriculture under pressure : 31st National Arboriculture Conference, Technical Seminar and Exhibition Arboriculture 'Under Pressure' : University of Exeter, England, 8-10 September 1997.
Arboricultural Association.
National Arboriculture Conference, Technical Seminar and Exhibition(31st :1997 :Exeter, England)
Romsey : Arboricultural Association,
[1997?]
Cover title.