Snyder, George. "Ionic relationships in clay-water systems : I. The influence of the suspension effect on plant uptake : II. The interrelationship of ph-dependent and permanent charge cation exchange capacity on Ca and Rb bonding by clays, activities in clay... /." Doctoral dissertation, Ohio State University, 1967. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486732330177719Chicago Manual of Style (17th edition)