1. A. Blecher, C. Brennan, A. Knopfmacher, Combinatorial parameters in bargraphs (in preparation).
2. A. Blecher, C. Brennan, A. Knopfmacher, Levels in bargraphs (submitted for publication).
3. A. Blecher, C. Brennan, A. Knopfmacher, Peaks in bargraphs, Manuscript.
4. Exactly solved models of polyominoes and polygons;Bousquet-Mélou,2009
5. The site perimeter of bargraphs;Bousquet-Mélou;Adv. Appl. Math.,2003