@article{sawicki_haltof_2015, 
  title={Metrological problems of experimental research welding devices. Part 1. Errors and uncertainties in measuring current, voltage and power with application of hallotron sensors}, 
  DOI={10.17729/ebis.2015.4/6}, 
  publisher={Instytut Spawalnictwa}, 
  author={Sawicki and Haltof}, 
  year={2015}, 
  month={Jul}
  }