[1] R. Jamison-Waldner: A perspective on abstract convexity classifying alignments by varieties. In "Convexity and Related Combinatorial Geometry" (D. Kay and M. Breen, Eds.) pp. 113-150, Decker, New York, 1982. MR 0650310 | Zbl 0482.52001

[2] H. M. Mulder: The Interval Function of a Graph. Dissertation, Math. Centre Tracts 132, Amsterdam, 1980. MR 0605838 | Zbl 0446.05039