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2. Vergleichende Untersuchungen der Sedimentationsanalyse;Leschonski;Staub,1962
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4. Partikelgrootteverspreiding soos ondersock met die gewone en Leschonski wysiging van die Sartorius sedimentasiebalans, Atomic Energy Board, S. Africa;van Tonder;R.A.K. Verslag Nr. 10,1969
5. Sub-sieve sizing by sedimentation balance;Harris;Nature,1963