L. H. Harper
This page is a disambiguation page, it actually contains mutiple papers from persons of the same or a similar name.
Bibliography
2008
2001
The Edge-Isoperimetric Problem for Regular Planar Tesselations.
Ars Comb., 2001
2000
1998
Proceedings of the Mathematical Foundations of Computer Science 1998, 1998
1995
1979
1975
1974