1. GPR methods for hydrogeological studies;Annan,2005
2. Anspach, J.H., 2002. Standard guideline for the collection and depiction of existing subsurface utility data. Paper presented at the Pipelines 2002: Beneath Our Feet: Challenges and Solutions.
3. ASTM, D., 2011. Standard Guide for Using the Surface Ground Penetrating Radar Method for Subsurface Investigation.
4. Australia Standard, 2013. Classification of subsurface utility information (SUI). In: AS 5488-2013.
5. Advanced engineering electromagnetics;Balanis,2012