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Channappa, T. C.. (1970). Experimental Study of Permeability Characteristics in Sands . : s.n..

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Channappa, T. C.. Experimental Study of Permeability Characteristics in Sands. : s.n., 1970. Computer Software.

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Channappa, T. C.. Experimental Study of Permeability Characteristics in Sands. : s.n., 1970. Computer Software.

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Channappa, T. C.. Experimental Study of Permeability Characteristics in Sands. : s.n., 1970. Computer Software.