1. Meier H. W. Construction Specification Handbook 3rd ed. Prentice‐Hall Englewood Cliffs NJ 1983.
2. Construction Specifications Institute “Methods of Specifying ” CSI Manual of Practice Washington DC 1975.
3. Rosen H. J. Construction Specification Writing: Principles and Practices 2nd ed. John Wiley and Sons Inc. New York NY 1981.
4. Product Specification Practices and Problems
5. FPR 1‐7.602‐9.