Libby, J. R. (1990). Modern prestressed concrete: Design principles and construction methods (4th ed.). New York: Van Nostrand Reinhold.
Παραπομπή Chicago StyleLibby, James R. Modern Prestressed Concrete: Design Principles and Construction Methods. 4th ed. New York: Van Nostrand Reinhold, 1990.
Παραπομπή MLALibby, James R. Modern Prestressed Concrete: Design Principles and Construction Methods. 4th ed. New York: Van Nostrand Reinhold, 1990.
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