Thomas, Ludwig K., Werner Schilling, Udo Scherz, et al. Festkörper. Berlin, Boston: De Gruyter, 2008. Web. Retrieved 19 May. 2013, from http://www.degruyter.com/view/product/36604

Thomas, L., Schilling, W., Scherz, U., et al. (2008). Festkörper. Berlin, Boston: De Gruyter. Retrieved 19 May. 2013, from http://www.degruyter.com/view/product/36604

Thomas, Ludwig K., Werner Schilling, Udo Scherz, et al. 2008. Festkörper. Berlin, Boston: De Gruyter. Retrieved 19 May. 2013, from http://www.degruyter.com/view/product/36604