TY - GEN T1 - Drilling and excavation technologies for the future LA - English PP - Washington, D.C. PB - National Academy Press, Washington, D.C. : National Academy Press YR - 1994 UL - https://ebooks.jgu.edu.in/Record/ebsco_acadsubs_ocm42329126 OP - 161 CN - TN281 .D75 1994eb SN - 0585025169 SN - 9780585025162 SN - 9780309050760 SN - 0309050766 KW - Boring : Methodology. KW - Boring : Forecasting. KW - Excavation : Methodology. KW - Excavation : Forecasting. KW - Forage : Méthodologie. KW - Forage : Prévision. KW - Excavation : Méthodologie. KW - Excavation : Prévision. KW - TECHNOLOGY & ENGINEERING : Mining. ER -