TY - JOUR AU - Svjetlan Feretić TI - Polyominoes with nearly convex columns: A semi-directed model JO - Ars Mathematica Contemporanea PY - 2012 SP - 107 EP - 126 VL - 5 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.162.a7f/ DO - 10.26493/1855-3974.162.a7f LA - en ID - 10_26493_1855_3974_162_a7f ER -