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  1. 1
    by I. HOLLEROVÁ, Z. STRNAD, P. PECH, K. KOSAŘ
    Published 2002-01-01
    ... amounts of sanitation agents. The products or intermediate products are not directly exposed...
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  2. 2
    by R. GOLDMANN, P. PECH
    Published 2000-01-01
    ... in the direction of concentration gradient, from the acid of higher concentration to that of lower concentration...
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