1. Franklin, K. A. and Whitelam, G. C. (2005). The role of phytochromes in adult plants. In:Photomorphogenesis in Plants and Bacteria.(Schafer, E. and Nagy, F., Eds.). Springer, Dordrecht, The Netherlands. 475–497.
2. Heins, R. D., Lange, N. and Wallace, T. F. (1992). Low temperature storage of bedding-plant plugs. In:Transplant Production Systems.(Kurata, K. and Kozai, T., Eds.). Kluwer Academic Publishers, Dordrecht, The Netherlands. 45–64.
3. Heins, R. D., Lange, N., Wallace, T. F. and Carlson, W. (1994).Plug Storage: Cold Storage of Plug Seedlings.Greenhouse Grower, Willoughby, OH, USA. 19 pp.
4. Hori, Y. (1966).Gravel Culture of Vegetables and Ornamental Crops.Yokendo, Tokyo, Japan. 23 pp. (In Japanese.)
5. Risse, L. A., Moffitt, T. and Bryan, H. H. (1979). Effect of storage temperature and duration on quality, survival, and yield of containerized tomato transplants.Proceedings of the Florida State Horticultural Society,92,198–200.