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- [5] NATIONAL-PARKS OF ENGLAND AND WALES - MANAGEMENT OF A LIMITED RESOURCE PLANNING AND ADMINISTRATION, 1978, 5 (01): : 53 - 61
- [6] DETERMINANTS OF LANDSCAPE CHANGE - THE CASE OF AFFORESTATION IN THE NATIONAL-PARKS OF ENGLAND AND WALES LANDSCAPE PLANNING, 1983, 9 (3-4): : 193 - 207