1. Baskin CC, Baskin JM (1998) Seeds: ecology biogeography and evolution of dormancy and germination. Academic Press, San Diego
2. Nikolaeva MG (1969) Physiology of deep dormancy in seeds. National Science Foundation, Washington (DC)
3. Finch-Savage WE and Leubner-Metzger G (2007) Seed dormancy and the control of germination. New Phytol 171: 501–523
4. Corbineau F, Bagniol S, and Côme D (1990). Sunflower (Helianthus annuus L.) seed dormancy and its regulation by ethylene. Isr J Bot 39: 313–325
5. Corbineau F and Côme D (1987). Regulation de les semences de tournesol par l`éthylene. In : Annales ANPP, 2ème Colloque sur les substances de croissance et leurs utilisations en agriculture. Vol. 1. Association Nationale de Protection des Plantes, Paris.