Arunakumara, K., Xuecheng, Z. and Yijing, Z. (2008) “Growth and pigment biosynthesis of <i>Spirulina platensis</i> as affected by Pb²⁺ concentrations”, Bangladesh Journal of Botany, 36(2), pp. 177–179. doi: 10.3329/bjb.v36i2.1509.