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A GPS study of land subsidence in the Petrosani (Romania) coal mining area | Natural Hazards
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CARBUNII | PDF
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A GPS study of land subsidence in the Petrosani (Romania) coal mining area | Natural Hazards
Proiect Carbuni - Geografie | PDF
CARBUNII | PDF
Rezerve carbuni - PDFCOFFEE.COM
Combustibili Minerali | PDF
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