. Cymru, 23 Frolic Street, Newtown, Powys SY16 1AP tel: 016 86–628 514 . 12 6 TIMBER7.6.4The WWF 19 95 GroupThe WWF 19 95 Group is a partnership between the. Forestry Commission,HMSO London, 19 91) 11 . Timber for Joinery, Digest 3 21 (Building Research Establishment, Garston, 19 87) 12 . Forest Nature Conservation...