1. Hirano, S., S. Morioka, S. Nakai and M. Iwata. 1969. A measurement of leaf area in citrus. Bull. Chiba. Hort. Exp. Sta. 1: 11–15 (In Japanese).
2. Kami, Y., T. Nishiyama, S. Miki, T. Yano and Y. Mori. 1999. Studies on the growing of wase satsuma mandarin under forced condition in the plastic film greenhouses. Bull. Ehime. Fruit tree. Exp. Sta. 13: 1–9 (In Japanese with English abstract).
3. Kawano, N. 1987. Stability in production and improvement in fruit quality (1). Agric. Hortic. 62: 1393–1400 (In Japanese).
4. Kawano, N. 1988. Stability in production and improvement in fruit quality (5). Agric. Hortic. 63: 847–854 (In Japanese).
5. Nii, N., H. Okagawa and Y. Ozaki. 1984. Comparison between greenhouses and open fields in the shoot leaf and fruit characters of satsuma mandarin. Agric. Hortic. 59: 1385–1390 (In Japanese).