01282nam 2200373 450 99000072624020331690-6191-687-90072624USA010072624(ALEPH)000072624USA01007262420011109d1986----km-y0itay0103----baengNL||||||||001yyGeotechnical stability in surface miningproceedings of the International symposium on geotechnical stability in surface miningCalgary, 6-7 November 1986edited by Raj K. SinghalRotterdamA.A. Balkema1986X, 411 p24 cm2001Coltivazione a cielo apertoCongressi1986Stabilità strutturaleCongressi1986622.292SINGHAL,Raj K.International symposium on geotechnical stability in surface mining <1986 ; Calgary>549562ITsalbcISBD990000726240203316622.292 INT10909 ING622.292BKTECPATTY9020011109USA01112020020403USA011721PATRY9020040406USA011650Geotechnical stability in surface mining962401UNISA