Merkel, C., Deuschle, J., Griesshaber, E., Enders, S., Steinhauser, E., Hochleitner, R., et al. (2009). Mechanical properties of modern calcite- (Mergerlia truncata) and phosphate-shelled brachiopods (Discradisca stella and Lingula anatina)determined by nanoindentation. Journal of Structural Biology, 168, 396-408. doi:10.1016/j.jsb.2009.08.014.