@article{babušiak_knocik_2014, 
  title={BIO-AMPLIFIER FOR BRAIN COMPUTER INTERFACE}, 
  volume={14}, 
  DOI={10.15546/aeei-2014-0022}, 
  publisher={Technical University of Kosice, Faculty of Electrical Engineering and Informatics}, 
  author={BABUŠIAK and KNOCIK}, 
  year={2014}, 
  month={Sep}
  }