TY - BOOK T1 - Environmental impacts of mining : monitoring, restoration, and control A1 - Sengupta, M. LA - English PP - Boca Raton, FL PB - Lewis Publishers YR - 1993 UL - http://discoverylib.upm.edu.my/discovery/Record/403887 OP - 494 CN - TD195 M5S476 SN - 0873714415 KW - Mineral industries : Environmental aspects. ER -