ATALA, C., M. QUILODRÁN, and M. A. MOLINA-MONTENEGRO. “Induced Twining in Ipomoea Purpurea (L.) Roth.: Response Threshold and Induction by Volatiles and Snail Damage”. Gayana Botánica, vol. 71, no. 2, Dec. 2014, pp. 181-7, https://revistas.udec.cl/index.php/gayana_botanica/article/view/3863.