I. Ia Ozyigit, Dogan, Ib, Eskin, Ba, Keskin, Ma, Demir, Gc, and Yalcin, I. Ec, ?Mineral element uptake status of endemic Isoetes anatolica prada & Rolleri populations from Bolu-Turkey?, Pakistan Journal of Botany, vol. 45, pp. 515-519, 2013.