Srot, V., Wegst, U. G. K., Salzberger, U., Koch, C. T., Hahn, K., Kopold, P., et al. (2013). Microstructure, chemistry, and electronic structure of natural hybrid composites in abalone shell. Micron, 48, 54-64. doi:10.1016/j.micron.2013.02.010.