Experimental and Theoritical Investigation of Some Aspects of Percussive Drilling http://127.0.0.1/xmlui/handle/123456789/2447 2026-04-18T14:01:49Z 2026-04-18T14:01:49Z Experimental and Theoritical Investigation of Some Aspects of Percussive Drilling Murthy, Chivukula Suryanarayana http://127.0.0.1/xmlui/handle/123456789/2448 2017-08-10T09:51:41Z 1998-09-01T00:00:00Z Experimental and Theoritical Investigation of Some Aspects of Percussive Drilling Murthy, Chivukula Suryanarayana 1998-09-01T00:00:00Z