Svjetlan Feretic. A Perimeter Enumeration of Column-convex Polyominoes. Discrete Mathematics & Theoretical Computer Science, 9(1), 2007. [doi]
@article{Feretic07,
title = {A Perimeter Enumeration of Column-convex Polyominoes},
author = {Svjetlan Feretic},
year = {2007},
url = {http://www.dmtcs.org/dmtcs-ojs/index.php/dmtcs/article/view/471/1808},
researchr = {https://researchr.org/publication/Feretic07},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics & Theoretical Computer Science},
volume = {9},
number = {1},
}