1. Rotations, Quaternions, and Double Groups;Altmann,2005
2. Chirality and Protein Biosynthesis;Banik,2013
3. Protein Data Bank. http://www.rcsb.org/pdb/.
4. The Protein Folding Problem and its Solutions;Ben-Naim,2013
5. Homochirality and life;Bonner;EXS,1997