@ARTICLE{Zych_Mariusz_Methods_2011,
 author={Zych, Mariusz},
 volume={vol. 57},
 number={No 1},
 journal={International Journal of Electronics and Telecommunications},
 howpublished={online},
 year={2011},
 publisher={Polish Academy of Sciences Committee of Electronics and Telecommunications},
 title={Methods of Achieving Good GPR Image Resolution Using Focused SAR Processing},
 URL={http://journals.pan.pl/Content/86725/PDF/07.pdf},
 doi={10.2478/v10177-011-0007-x},
}