Definition of Superconductivity. http://www.wordiq.com/definition/Superconductivity
 Kittel, C. (2004) Introduction to Solid State Physics. 7th Edition, Wiley, India.
 Puri, R.K. and Babbar, V.K. (2009) Solid State Physics. S Chand & Company Ltd., New Delhi.
 Narlikar, A.V. (2004) High Temperature Superconductivity. Springer, Berlin, 35.
 Jin, J.X. and Dou, S.X. (1999) Development of High TC Superconductors for Engineering Applications. Science & Technology Advancing into New Millenium, 368-382.
 Galasso, F.S. (1969) Structure, Properties and Preparation of Perovskite Type Compounds. Pergamon Press, Oxford.
 Cullity, B.D. (1978) Elements of X-Ray Diffraction. 2nd Edition, Addison-Wesley Publishing Company Inc., Phillippines.
 West, A.R. (1974) Solid State Chemistry and It’s Applications. Wiley, New York.
 Xie, Q. and McCourt, F. (2008) Nanotechnology Engineering NE 320L Lab Manual. University of Waterloo, Waterloo, 35-39.
 So, W.W., Jang, J.S., Rhee, Y.W., Kim, K.J. and Moon, S.J. (2001) Preparation of Nanosized Crystalline CdS Particles by the Hydrothermal Treatment. Journal of Colloid and Interface Science, 237, 136-141.
 Ghosh, S.C., Thanachayanont, C. and Dutta, J. (2014) Studies on Zinc Sulphide Nanoparticles for Field Emission Devices. The 1st ECTI Annual Conference (ECTI-CON2004), Pattaya, 13-14 May 2004, 145-148.
 Williamson, G.K. and Hall, W.H. (1953) X-Ray Line Broadening from Filed Aluminium and Wolfram. Acta Metallurgica, 1, 22-31. http://dx.doi.org/10.1016/0001-6160(53)90006-6