Development of Risk Analysis Models for Roof Fall Hazards in Underground Coal Mines http://127.0.0.1/xmlui/handle/123456789/7759 Fri, 17 Apr 2026 08:53:30 GMT 2026-04-17T08:53:30Z Development of Risk Analysis Models for Roof Fall Hazards in Underground Coal Mines http://127.0.0.1/xmlui/handle/123456789/7761 Development of Risk Analysis Models for Roof Fall Hazards in Underground Coal Mines Palei, Sanjay Kumar Sun, 01 Oct 2006 00:00:00 GMT http://127.0.0.1/xmlui/handle/123456789/7761 2006-10-01T00:00:00Z