Schade, Heinz and Klaus Neemann. "Anhang B. Zylinder- und Kugelkoordinaten" Tensoranalysis. Berlin, Boston: Walter de Gruyter, 2009. 421-436. Web. Retrieved 18 Jun. 2013, from http://www.degruyter.com/view/books/9783110213218/9783110213218.421/9783110213218.421.xml

Schade, H. & Neemann, K. (2009). Anhang B. Zylinder- und Kugelkoordinaten. Tensoranalysis (pp. 421-436). Berlin, Boston: Walter de Gruyter. Retrieved 18 Jun. 2013, from http://www.degruyter.com/view/books/9783110213218/9783110213218.421/9783110213218.421.xml

Schade, Heinz and Klaus Neemann. 2009. Anhang B. Zylinder- und Kugelkoordinaten. In Tensoranalysis, 421-436. Berlin, Boston: Walter de Gruyter. Retrieved 18 Jun. 2013, from http://www.degruyter.com/view/books/9783110213218/9783110213218.421/9783110213218.421.xml