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2. Mattiello, J. J., “Protective and Decorative Coatings,” vol. I, ch. 1, John Wiley and Sons, New York, 1941.
3. Modern Varnish Technology, Hercules Powder Company, 1957.
4. Tariff Commission Reports, Synthetic Organic Chemicals, United States Production and Sales, 1941 to 1957, inclusive.
5. The Fats and Oils Situation, May 1959, Aricultural Marketing Service, United States Department of Agriculture.