1. Principles of nonmetallic mineral flotation;Aplan,1962
2. Electrically augmented vacuum filtration in dewatering kaolin slurries;Appel,1979
3. Geology and mineralogy of the sedimentary kaolins of the southeastern United States — a review;Bates,1964
4. Kaolin deposits of the United Kingdom of Great Britain and Northern Ireland;Bristow,1969
5. Clark, N.O., 1968. Tube Press. U.S. Patent Application No. 739442.