Zhu, Qinghua, et al. “Ultrastructure of Sporophyte of <i>Cladosiphon okamuranus< I> Tokida (Ectocarpales, Phaeophyceae)”. Bangladesh Journal of Botany, vol. 38, no. 2, May 2010, pp. 177-80, doi:10.3329/bjb.v38i2.5143.