1. Ergebnisse der Mathematik 57;Alfsen,1971
2. Alfsen, E.M. and Schultz, F. W., “Non-commutative spectral theory for affine function spaces on convex sets,” Memoirs of the American Mathematical Society No. 172, Providence, R.I., 1976.
3. Cook, T.A., “The geometry of generalized quantum logics.” To appear in International Journal of Theoretical Physics.
4. Cook, T.A. and Rüttimann, G.T., “Symmetries on quantum logics.” Preprint University of Massachusetts, 1976.
5. “Les algèbres d'opérateurs dans l'espace Hilbertien,”;Dixmier,1969