S.N.Paul, S. , G.Pakira, G. , B.Paul, B. , B.Ghosh, B.. "Ion- Acoustic Solitary Waves in a Self- Gravitating Dusty Plasma Having Two-Temperature Electrons". World Academy of Science, Engineering and Technology, Open Science Index 58, International Journal of Physical and Mathematical Sciences, (2011), 5(10), 1605 - 1610.