Wilken, S, Hoffmann, B, Hersch, N, Kirchgeßner, N, Dielluweit, S, Rubner, W, Hoffmann, L, Merkel, R and Peeken, I (2011) Diatom frustules show increased mechanical strength and altered valve morphology under iron limitation. Limnology and Oceanography, 56(4). 1399-1410. doi:10.4319/lo.2011.56.4.1399