Hill, Thomas A. Endogenous plant growth substances - 2 ed. - London : Arnold, 1980 - 68 p. : gráfs. - Institute of Biology's. Studies in biology ; 40 . - Institute of Biology's. Studies in biology ; 40 . LCCN: 15605 Subjects--Topical Terms: Hormonas vegetales.Plantas--Crecimiento--Estimulantes.