Bell, F. G. (1999). Geological hazards: Their assessment, avoidance and mitigation. London: E & FN Spon.
Παραπομπή Chicago StyleBell, F. G. Geological Hazards: Their Assessment, Avoidance and Mitigation. London: E & FN Spon, 1999.
Παραπομπή MLABell, F. G. Geological Hazards: Their Assessment, Avoidance and Mitigation. London: E & FN Spon, 1999.
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