@article{article987,
  title = {Evaluation of sewage sludge on agricultural lands},
  author = {YALÇIN, G. and YAVUZ, R. and YILMAZ, M. and TAÅžPINAR, K. and ATEÅž, Ã.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2011},
  volume = {3},
  pages = {156-164},
  doi = {}
}