Influence of Opening Type in Axially Compressed Castellated Columns oleh Arthur F. F. Gomes, Leonardo C. Mesquita, Edson F. C. Rodrigues, Felipe N. Arroyo, Vinícius B. M. Aquino, Herisson F. Santos, Túlio H. Panzera, Francisco A. R. Lahr, Eduardo Chahud, Luis A. M. N. Branco, André L. Christoforo