00424nam a2200145Ia 4500 230328s9999 xx 000 0 und d 9781138046900 John Loui Porathur,Roy Highwall Mining: Applicability, Design & Safety London Crc 2020 Management Highwall Mining: Applicability, Design & Safety John Loui Porathur,Roy BK 92158 92156 0 0 0 0 M.Tech. Geo Technology BECB BECB HAND_BOOKS A-16 2023-03-25 Tejas Publishers & Distributors Bangalore 14588.00 IN78 Dt:16-03-2023 0 125273 2023-03-28 00:00:00 2023-03-28 BK