1. South African Patent Application 71/5637;Warshawsky,1971
2. Report by the Dow Chemical Co., on Contract No 14-12-808 to the Water;Grinstead,1971
3. Polystyrene impregnated with β-diphenylglyoxime, a selective reagent for palladium;Warshawsky;Talanta,1974
4. Hydroxyoxime solvent-impregnated resins for selective copper-extraction;Warshawsky;Transactions of the Institution of Mining and Metallurgy Section C-Mineral Processing and Extractive Metallurgy,1979
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