A Look at European Practices for Identifying Mineral Resources That Deserve to Be Safeguarded in Land-Use Planning 2.6
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Resources Policy, vol. 74, 2021, p. .

Planning the Future Exploitation of Ornamental Stones in Portugal Using a Weighed Multi-dimensional Approach 3.13
Jorge Carvalho, Catarina Lopes, António Mateus, Luís Martins, M. Goulão
Resources Policy, vol. 59, 2018, p. 298-317.