1. Buis, K.: Reoherches factorielles sur la régulation de la croissance de l’hypoeotyle de lupin (Lupinus albus L.). -Physiol. Vég.5: 1–36, 1967.
2. Carpita, N. C., Tarmann, K. M.: Promotion of hypocotyl elongation in loblolly pine (Pinus taeda L.) by indole-3-aeetio acid. - Physiol. Plant.55: 149–154, 1982.
3. Cleland, R. E.: Wall extensibility: Hormones and wall extension. - In: Tanner, W., Lobwus, F. A. (ed.): Plant Carbohydrates II. Extracellular Carbohydrates. (Encycl. Plant Physiol. Vol. 13 B.) Pp. 255–273. Springer Verlag, Berlin-Heidelberg-New York-Tokyo 1981.
4. O’Brien, T. P.: Cell growth and division. - In: Smith, H., Grierson, D. (ed.): The Molecular Biology of Plant Development. Vol. 18. Pp. 49–109. Blackwell, London 1982.
5. Obtuño, A.: [Distribution andin vivo metabolism of indolyl-3-acid in relation to hypocotyl growth inLupinus albus.] In Span. -Thesis, Univ. Murcia 1986.