1. Literature;Wang;Isr J Chem,1974
2. Biochim Bio - chim;Mosher;Biophys Acta Biol Chem Biophys Acta Nature,1975
3. Hoppe s;Seyler;Chem
4. Sei London London;Chidlow;Nature Eur Biochem Nature,1968
5. ( FEBSLett this patent );Lutter;Biochem Biophys Res Commun Biochemistry Biochemistry Mol Biol Eur Biochem,1974