Herbert, George, Chekuimo Tagne*, W.E. Kunin, M. Pocock, and R. Aston. 2018. “Fractal Patterns in Species Distribution of Some Rare British Plants”. CURRENT APPLIED SCIENCE AND TECHNOLOGY 4 (1). Bangkok, Thailand:300. https://li01.tci-thaijo.org/index.php/cast/article/view/151951.