1. 1. ASAHIRA, T., Y. TAKEDA, T., NISHIO, M. HIRABAYASHI, and Y. TSUKAMOTO. 1967. Studies on fruit development in Tomato. I. Ovule development and content of diffusible auxin in synthetic auxin- and gibberellin-induced parthenocarpic tomato fruits in relation to their development. Mem. Res. Inst. Food Sci., Kyoto Univ. No.28: 47-74.
2. 2. ASAHIRA, T., H. TAKAGI, Y. TAKEDA, and Y. TSUKAMOTO. 1968. Studies on fruit development in Tomato. II. Cytokinin activity in extracts from pollinated, auxin- and gibberellin-induced parthenocarpic tomato fruits and its effect on the histology of the fruit. Mem. Res. Inst. Food Sci., Kyoto Univ. No. 29: 24-54.
3. 3. DAVIS, R. M. Jr., P. G. SMITH, V. H. SCHWEERS, and R. W. SCHEUERMAN. 1964. Independence of floral fertility and fruit-set in the tomato. Proc. Amer. Soc. Hort. Sci. 86 : 552-556.
4. 4. DAVIS, R. M. Jr., P. G. SMITH, V. H. SCHWEERS, and A. H. MILLET. 1969. Components of variation in tomato harvest patterns. J. Amer. Soc. Hort. Sci. 94: 538-541.
5. 5. DEMPSY, W. H., and J. E. BOYNTON. 1965. Effect of seed number on tomato fruit size and maturity. Proc. Amer. Soc. Hort. Sci. 86: 575-581.