1. ?Some problems concerning distance and path degree sequences,? Graph Theory, Lagów 1981, Lecture Notes in Mathematics, Vol. 1018. Springer-Verlag, Berlin 1983, pp. 179-190.
2. Design of Molecules With Desired Properties, Concepts and Applications of Molecular Similarity, John Wiley & Sons, New York, 1990, pp. 77-145.
3. Regular graphs having the same path layer matrix
4. Cubic graphs with 62 vertices having the same path layer matrix