Analysis of curved optical absolute visual fates of super colony of Type II (SN II). Baghdad Science Journal, Iraq, Baghdad, v. 3, n. 3, p. 429–434, 2006. DOI: 10.21123/bsj.2006.721. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/721.. Acesso em: 3 jul. 2024.