1. H.J. Koh, N.J. Kim, S.H. Park, US Patent, No. 6,190,469 B1, 2001.
2. S. Allain, A. Couturier, T. Lung, C. Colin, US Patent, No. 2009/0107588 A1, 2009.
3. Bainite in Steels, Transformation, Microstructure and Properties;Bhadeshia,2001
4. The Physical Metallurgy of Microalloyed Steels;Gladman,2002
5. Formability of Al–Nb Bearing Ultra High-strength TRIP-aided Sheet Steels with Bainitic Ferrite and/or Martensite Matrix