1. Studies on several environmental factors for zygote formation and germination in Closterium ehrenbergii;Hamada;Bot. Mag. Tokyo,1978
2. Survival of maternal chloroplasts during zygote maturation in Zygnema sp;Hamada;Annu. Rep. Res. Reactor Inst. Kyoto Univ.,1985
3. Nuclear phase in vegetative and gamete cells of Closterium ehrenbergii: Fluorescence microspectrophotometry of DNA content;Hamada;Annu. Rep. Res. Reactor Inst. Kyoto Univ.,1985
4. Meiosis in Spirogyra (Chlorophyceae);Harada;Jap. J. Phycol.,1984
5. Über den Entwicklungsgang von Cylindrocystis;Kauffmann;Zeitschrift Bot.,1914