@article{article944,
  title = {An examination of used different waste materials and biohydrogen production methods},
  author = {GÃœLER ÅžENTÃœRK, Ä. and BÃœYÃœKGÃœNGÖR, H.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2010},
  volume = {28},
  pages = {369-395},
  doi = {}
}