Kato-Noguchi, H., (2001). Acta Physiologiae Plantarum 23(1), 49-53. Franciszek Gorski Department of Plant Physiology, Polish Ac ademy of Sciences, Kraków, Poland. English language
Kato-Noguchi, H., (2000). Weed Research (Oxford) 40(4), 343-350. English language