00577 a2200217 4500 20260525153022.0 260523b |||||||| |||| 00| 0 eng d 9788119205356 Rs. 2200.00 MAIN 624.19 P886T Prasad, S K Tunnel engineering: Theory and research Discovery Publishing House 2023 New Delhi 235 Engineeering Civil Engineering Tunnelling Sub Surface Engineering Rock Mechanics BK 0 0 ddc 0 624_190000000000000_P886T 0 498389 MAIN MAIN VL 2026-02-19 11 1540.00 0 624.19 P886T 431030 2026-02-19 00:00:00 2200.00 2026-02-19 BK 396732 396732