@article{
  author = {Bakhtiari Zamani, Hassan, Saebnoori, Ehsan, Hassanzadeh Tabrizi, Ali},
  title = {Investigation on the effect of frequency and duty cycle on nano-crystalline TiO2 coatings produced by plasma electrolytic oxidation},
  journal = {journal of New Materials},
  year = {2018},
  volume = {9},
  number = {1},
  pages = {37-52},
  doi = {}
}