1. I. Adler: Abstract Polytopes, PhD thesis, Stanford University, Stanford, CA, 1971.
2. I. Adler: Mathematical Programming Study I: Pivoting and Extensions, chapter Lower bounds for maximum diameters of polytopes, North-Holland, 1974.
3. I. Adler, G. Dantzig and K. Murty: Mathematical Programming Study: Pivoting and Extension, chapter Existence of A-avoiding paths in abstract polytopes, NorthHolland, 1974.
4. I. Adler and G. B. Dantzig: Mathematical Programming Study: Pivoting and Extension, chapter Maximum diameter of abstract polytopes, North-Holland, 1974.
5. I. Adler and R. Saigal: Long monotone paths in abstract polytopes, Math. Oper. Res.
1 (1976), 89–95.