Reference
Naoaki Morimoto, Chizuko Shichijo, Shinobu Watanabe, Shozo Suda (1994): Characterization of Diurnal Movements of Primary Pulvinus im Mimosa Pudica L. and their Relation to Day-Night Cycles. – Phyton, Annales Rei Botanicae, Horn – 34_1: 57 - 66.