@article{137,
  author = {H Jahed and A Varvani-Farahani and M Noban and I Khalaji},
  title = {An energy-based fatigue life assessment model for various metallic materials under proportional and non-proportional loading conditions},
  year = {2007},
  journal = {International journal of fatigue},
  volume = {29},
  number = {4},
  pages = {647-655},
  publisher = {Elsevier},
}