1. Aoba, T., 1976. Effects of temperature on bulb- and tuber-formation in bulbous and tuberous crops. IX. On the bulb formation in tulip. Bull. Yamagata Univ., Agr. Sci. 7, 387–399 (in Japanese with English summary).
2. Aoba, T., Shibuya, Y., 1976. Effects of storage temperature of mother bulbs on the shoot growth and bulb formation in tulip. J. Yamagata Agr. For. Soc. 33, 51–54 (in Japanese with English summary).
3. Photosynthesis and respiration of Tulipa sp. cultivar ‘Apeldoorn’;Benschop;Scientia Hortic.,1980
4. An analysis of the growth of forced tulips. 2. Effects of low-temperature treatments during development on plant structure at anthesis;Charles-Edwards;Scientia Hortic.,1975
5. Aspects of translocation of carbon in the tulip;Ho;New Phytol.,1975