Smirnov, Oleksandr, Anatoliy M. Kosyan, Oksana I. Kosyk, & Natalia Yu. Taran. " Stem morphology and vascular anatomy of Fagopyrum esculentum Moench. under retardant chlormequat chloride action." Modern Phytomorphology [Online], 7 (2015): 147-152. Web. 12 Apr. 2018