@article{rao_rao_reddy_rao_2015, 
  title={The effect of gamma irradiation on physical, thermal and antioxidant properties of kraft lignin}, 
  DOI={10.1016/j.jrras.2015.07.003}, 
  publisher={Elsevier BV}, 
  author={Rao and Rao and Reddy and Rao}, 
  year={2015}
  }