COBOL programming : a structured approach /
Structured Cobol : Flowchart Editio /
Comprehensive structured Cobol. /
Programming in COBOL /
Cobol programming /
Structured Cobol : A Step by Step Approach /
Cobol Programming a complete course in writing Cobol programs. /
Elements of structural stability /
Crystal clear cobol : an introduction to cobol and structured programming /
The elements of structure : an introduction to the principles of building and structural engineering /
Structural concrete elements /
Cobol. A primer and programming guide.
A Guide to COBOL Programming
Finite element applications to thin-walled structures. /
COBOL : a practical approach /
Advanced Cobol /
Structured programming /
Creep and shrinkage of concrete elements and structures /
COBOL Support Packages, Programming and Productivity AIDS.
Cobol : programmierte Unterweisung /
Elements of structured Cobol programming.