Wright, R. C. and Gorman, E. A., Jr. Ripening and repacking of mature green tomatoes. U.S. Dept. of Agr. Cir. 566. 1940.
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Wright, R. C., Pentzer, W. T. et al. Effect of various temperatures on the storage and ripening of tomatoes. U.S. Dept. of Agr. Tech. Bul. 268. 1931.
Frazier, W. A. Cracks in tomato fruits. American Soc. for Hort. Sci. Vol. 32, pp. 519-523. 1934.
Brown, H. D. and Price, C. V. Effect of irrigation, degree of maturity and shading upon yield and degree of cracking of tomatoes. Amer. Soc. for Horti. Sci. Vol. 32, pp. 524-528. 1934.
Yarnell, S. H., Friend, W. H. and Wood, J. F. Factors affecting the amount of puffing in tomatoes. Texas Exp. Sta. Bul. 541. 1937.
LeCrone, Freddie and Haber, E. S. Changes in the pectic constituents of tomatoes in storage. Iowa State College Jour. of Sci. Vol. 12, No. 4. pp. 467-476. 1933. Good biblio.
Work, Paul. Ethylene ripening of tomatoes in relation to stage of maturity. Amer. Soc. for Hort. Sci. 1928. pp. 61-64.
MacGillivray, J. H. Tomato color as related to quality in the tomato canning industry. Ind. Exp. Sta. Bul. 350. 1931.
Vogele, A. C. Effect of environmental factors upon the color of the tomato and the watermelon. Plant Physiology, Vol. 12, pp. 929-955. 1937.