1. Abel, J. J., Geii.Ixo, E. M. K., Roniller, C. A., Bell, F. K., Wintersteiner, O.: Crystalline insulin. J. Pharmacol. exp. Ther. 31, 65 (1927).
2. Adams, M. J., Blundell, T. L., Dodson, E. J., Dodson, G. G., Vijayan, M., Baker, E. N., Harding, M. M., Hodgkin, D. C., Rimmer, B., Sheat, S.: Structure of rhombohedral 2 zinc insulin crystals. Nature (Lond.) 224, 491 (1969).
3. Adams, M. J., Blundell, T. L., Dodson, E. J., Dodson, G. G., Vijayan, M., Baker, E. N., Harding, M. M., Hodgkin, D. C., Rimmer, B., Sheat, S., Dodson, G. G., Dodson, E. J., Hodgkin, D. C.: A report on recent calculations on rhombohedral insulin crystals containing lead. Conform. Biopolym., Pep. Int.-Symp., Madras 1, 9 (1967).
4. Africa, B. B., Carpenter, F. H.: Preparation and characterization of diphenylthiocarbamoyl- insulin and des-GlyAl-des-PheBl-insulin (bovine). Biochemistry 9, 1962 (1970).
5. Anderson, W.: Phenylcarbamoyl derivatives of insulin. C.R. Lab. Carlsberg, Sér. Chim. 30, 104 (1956).