1. Hruschka, P.V., Lian, J.B. and Gallop, P.M.: Direct identification of the calcium-binding amino acid, γ-carboxyglutamate, in mineralized tissue. Proc. Natl. Acad. Sci. USA 72: 3925–3929, 1975.
2. Price, P.A., Otsuka, A.S., Poser, J.W., Kristaponis, J. and Raman, N.: Characterization of a γ-carboxyglutamic acid containing protein from bone. Proc. Natl. Acad. Sci. USA 73: 1447–1451, 1976.
3. Lian, J.B., Hauschka, P.V. and Gallop, P.M.: Properties and synthesis of a vitamin K-dependent calcium binding protein in bone. Fed. Proc. 37: 2615–2620, 1978.
4. Nishimoto, S.K. and Price, P.A.: Proof that the γ-carboxyglutamic acid-containing bone protein is synthesized in calf bone. J. Biol. Chem. 254: 437–441, 1979.
5. Price, P.A., Epstein, D.J., Lothringer, J.W., Nishimoto, S.K., Poser, J.W. and Williamson, M.K.: Structure and function of the vitamin K- dependent protein of bone. In: Vitamin K metabolism and vitamin K-dependent proteins (J.W. Suttie ed.) University Park Press, Baltimore. pp. 219–226. 1980.