Experimental and Theoretical Investigation of Drilling of Rocks by Impregnated Diamond Core Bits http://127.0.0.1/xmlui/handle/123456789/2634 2026-04-17T18:46:17Z 2026-04-17T18:46:17Z Experimental and Theoretical Investigation of Drilling of Rocks by Impregnated Diamond Core Bits Rao, Karanam Umamaheshwar http://127.0.0.1/xmlui/handle/123456789/2635 2017-12-13T04:31:19Z 1993-09-01T00:00:00Z Experimental and Theoretical Investigation of Drilling of Rocks by Impregnated Diamond Core Bits Rao, Karanam Umamaheshwar 1993-09-01T00:00:00Z