New complexity model for classes in object oriented system. - Nasib Singh Gill; Sunil Sikka (ACM SIGSOFT Softw. Eng. Notes, 2010)

Survey of object-oriented metrics: focusing on validation and formal specification. - Meenakshi Sharma; Nasib Singh Gill; Sunil Sikka (ACM SIGSOFT Softw. Eng. Notes, 2012)