@ARTICLE{natural2010,
     Title={Natural and Synthetic Antioxidants: Influence on the Oxidative Stability of Biodiesel Synthesized from Non-edible Oil},
     Author={Amit Sarin, N.P. Singh, Rakesh Sarin, R.K. Malhotra},
     Journal={Energy},
     Volume={35},
     Number={12},
     Pages={4645-4648},
     Publisher={Elsevier},
     Year={2010}
}