Saletic Dragan Z (2024) GRADED LOGICS, INTERDISCIPLINARY DESCRIPTION OF COMPLEX SYSTEMS, vol. 22, br. 3, str. 276-295 (Article) Velasevic Dusan M,Saletic Dragan Z,Saletic SZ (2001) A fuzzy sets theory application in determining the severity of respiratory failure, INTERNATIONAL JOURNAL OF MEDICAL INFORMATICS, vol. 63, br. 1-2, str. 101-107 (Article)