16558 Hans-Jürgen Bandelt/Victor Chepoi: A Helly theorem in weakly modular space.
Discrete Math. 160 (1996), 25-39.

16559 Hans-Jürgen Bandelt/Victor Chepoi: Metric graph theory and geometry - a survey.
Internet ca. 2004, 39p.

16291 Paul Edelman/Robert Jamison: The theory of convex geometries.
Geom. Ded. 19 (1985), 247-270.

16560 Wieslaw Kubis: Abstract convex structures in topology and set theory.
Dissertation Katowice 1999, 49p.

V. Soltan: Introduction to the axiomatic theory of convexity. 1984. (Russian)

Marcel van de Vel: On the rank of a topological convexity. Fund. Math. 119 (1983), 101-132.

Marcel van de Vel: Matching binary convexities. Top. Appl. 16 (1983), 207-235.

Marcel van de Vel: Binary convexities and distributive lattices.
Proc. London Math. Soc. 48 (1984), 1-33.

Marcel van de Vel: Dimension of binary convex structures.
Proc. London Math. Soc. 48 (1984), 34-54.

Marcel van de Vel: Theory of convex structures. North-Holland 1993, 560p. $184.

Marcel van de Vel: Metrizability of finite dimensional spaces with a binary
convexity. Can. J. Math. 38 (1986), 1-18.

16690 E. Verheul: Multimedians in metric and normed spaces. CWI 1993, 140p. Eur 18.