Christian B. Anfinsen, Robert R. Redfield, Warren L. Choate, Juanita Page, William R. Carroll,
STUDIES ON THE GROSS STRUCTURE, CROSS-LINKAGES, AND TERMINAL SEQUENCES IN RIBONUCLEASE Journal of Biological Chemistry. ,vol. 207, pp. 201- 210 ,(1954) ,
10.1016/S0021-9258(18)71260-X