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Journal of the Southern African Institute of Mining and Metallurgy
On-line version ISSN 2411-9717
Print version ISSN 0038-223X

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KOVALCHIK, P.G.; DUDA, F.T.  and  HARPER, G.S.. A technique for estimating the sound power level radiated by pneumatic rock drills and the evaluation of a CSIR prototype rock drill with engineering noise controls. J. S. Afr. Inst. Min. Metall. [online]. 2009, vol.109, n.5, pp.295-299. ISSN 2411-9717.


 


 

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