1. A. Blecher, C. Brennan, A. Knopfmacher, Walls in bargraphs, preprint.
2. Levels in bargraphs;Blecher;Ars Math. Contemp.,2015
3. Combinatorial parameters in bargraphs;Blecher;Quaest. Math.,2016
4. Peaks in bargraphs;Blecher;Trans. R. Soc. South Africa,2016
5. The height and width of bargraphs;Blecher;Discrete Appl. Math.,2015