1. Lancaster M (2002) Green Chemistry an introductory text. The Royal Society of Chemistry, Cambridge, UK
2. Anastas PT, Warner JC (1998) Green Chemistry: theory and practice. Oxford University Press, NewYork, USA
3. Clark JH (2001) Catalysis for green chemistry. Pure Appl Chem 73:103–111
4. Clark JH, Rhodes CN (2000) Clean synthesis using porous inorganic solid catalysts. RSC Clean Technology Monographs, Cambridge, UK
5. Dakin HD (1909) The catalytic action of amino-acids, peptide and proteins in effecting certain syntheses. J Biol Chem 7:4