@article{abu-ein_2009, 
  title={Numerical and Analytical Study of Exhaust Gases Flow in Porous Media with Applications to Diesel Particulate Filters}, 
  DOI={10.3844/ajeas.2009.70.75}, 
  publisher={Science Publications}, 
  author={Abu-Ein}, 
  year={2009}, 
  month={Jan}
  }