1. BALL C. 0. 1923 Thermal process time for canned food. Btull. Natl. Research Council (U. S.) 7.
2. Mathematical soltution of problems on thermal processing of canned food;BALL C.;Univ. Calif. Publs. Public Health,1928
3. BALL C. 0. AND OLSON F. C. W. 1957 Sterilization in food technology. McGraw-Hill Book Co. Inc. New York New York.
4. Analytical method for calculating heat sterilization times;EINDOERFER F. H.;Appl. Microbiol.,1959
5. Federal Works Agency Works Projects Administration for the City of New York. 1940 Tables of sine cosine and exponential integrals. National Bureau of Standards Washington D. C.