Variable stress meter for monitoring rock mass structures
Fernando Fujimura 1941- Wildor Theodoro Hennies 1935-2019; A Fernandes; International Symposium on Mine Planning and Equipment Selection (4. 1995 Calgary)
Underground timestone mining in brazil as an economic environmental issue
Wildor Theodoro Hennies 1935-2019 Antônio Stellin Junior 1937-; L C Ghizzi; International Symposium on Mine Planning and Equipment Selection (4. 1995 Calgary)
Fernando Fujimura 1941- Lindolfo Soares 1940-; Wildor Theodoro Hennies 1935-2019; M A R Silva; International Symposium on Mine Planning and Equipment Selection (4. 1995 Calgary)
Monitoring systems in mining environmental management and control
Laurindo de Salles Leal Filho 1960- Wildor Theodoro Hennies 1935-2019; D Owen; S Durucan; International Symposium on Mine Planning and Equipment Selection (4. 1995 Calgary)