@article{gresil_yu_shen_giurgiutiu_2013, 
  title={Predictive model of fatigue crack detection in thick bridge steel structures with piezoelectric wafer active sensors}, 
  volume={12}, 
  DOI={10.12989/sss.2013.12.2.097}, 
  publisher={Techno-Press}, 
  author={Gresil and Yu and Shen and Giurgiutiu}, 
  year={2013}, 
  month={Aug}
  }