1. 1. ASTM D1143 / D1143M-07 Standard Test Methods for Deep Foundations Under Static Axial Compressive Load. New York, 2007.
2. 2. ASTM D4945¬-08 Standard Test Method for High-Strain Dynamic Testing of Piles. New York, 2008.
3. 3. ASTM D7383-10 Standard Test Methods for Axial Compressive Force Pulse (Rapid) Testing of Deep Foundations. New York, 2010.
4. 4. Barkan, D., 1957. Foundation Engineering and drilling by the vibration method. London 3-7.
5. 5. Barkan, D., 1962. Dynamics of Bases and Foundations. New York: McGraw-Hill.