Crystal cell and space lattice symmetries in Clifford geometric algebra
 @InProceedings{hitzer05icnaam,
  author = 	 {E.M.S. Hitzer and C. Perwass},
  title = 	 {Crystal cell and space lattice Symmetries in Clifford geometric algebra},
  booktitle =	 {International Conference on Numerical Analysis and Applied Mathematics, ICNAAM 2005},
  pages =	 {937-941},
  year =	 2005,
  editor =	 {TE. Simos and G. Sihoyios and C. Tsitouras},
  publisher =	 {Wiley-VCH, Weinheim}
}