LEADER 00986nam0-2200289---450- 001 990009694780403321 005 20130315123510.0 035 $a000969478 035 $aFED01000969478 035 $a(Aleph)000969478FED01 035 $a000969478 100 $a20130315d1970----km-y0itay50------ba 101 0 $aeng 102 $aZA 105 $ay-------001yy 200 1 $aPlanning open pit mines$eproceedings of the symposium on the theoretical background to the planning of open pit mines with special reference to slope stability. Johannesburg, republic of South Africa, 29 August-4 September 1970$fP. W. J. Van Rensburg 210 $aJohannesburg$cA. A. Balkema$d1970 215 $aXVI, 388 p.$cill.$d30 cm 610 0 $aScavi 700 1$aVan Rensburg,$bP. W. J.$0519286 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990009694780403321 952 $a15 GT-N/1-17$b2277$fDINID 959 $aDINID 996 $aPlanning open pit mines$9843066 997 $aUNINA