DOI не нашел, потому - на Abstract.
1.Bower C. A. - Cation-exchange equilibria in soils affected by sodium salts. // Soil Science. 1959. V. 88. N. 1. P. 32 - 35.
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http://journals.lww.com/soilsci/Citation/1959/07000/Cation_Exchange_Equilibria_in_Soils_Affected_By.6.aspxКод: Выделить всё
http://journals.lww.com/soilsci/Citation/1952/08000/Cation_Exchange_Equilibria_on_Clay_Minerals.1.aspx