@ARTICLE{Sikora_A._The_2012,
 author={Sikora, A. and Bednarz, Ł.},
 volume={60},
 number={No 1},
 journal={Bulletin of the Polish Academy of Sciences Technical Sciences},
 pages={83-88},
 howpublished={online},
 year={2012},
 title={The implementation and the performance analysis of the multi-channel software-based lock-in amplifier for the stiffness mapping with atomic force microscope (AFM)},
 URL={http://www.czasopisma.pan.pl/Content/83484/PDF/12_paper.pdf},
 doi={10.2478/v10175-012-0012-y},
}