ISO/IEC 8631:1989 Preview
Information technology -- Program constructs and conventions for their representation
This standard was last reviewed and confirmed in 2005. Therefore this version remains current.
Is concerned with the expression of procedure-oriented algorithms. Defines: 1 - the nature of program constructs; 2 - the manner in which constructs can be combined; 3 - specifications for a set of constructs; a variety of subsets of the defined constructs.