Journal of the Institute of Engineers (India)- Mining Engineering Division Board (Half- Yearly): Vol.91 Feb'2011 - National - Kolkata- India Institute of Engineers (India) 02/11 - 91 . ISSN: 0257-442X Subjects--Topical Terms: Mining Engineering/ Civil Subjects--Facted Index Terms: JournalInstituteEngineers(India)-MiningEngineeringDivisionBoard(Half-Yearly):Vol.91Feb'2010Mining Engineering/ Civil