References:

1. Introduction to Electrodynamics by David. J. Griffiths. 
2. Cottingham, Cottingham. and Greenwood Greenwood. Electricity and Magnetism. Cambridge: Cambridge University Press, 1991.
3. Krishan's Engineering Physics Vol-2.S.Gupta.

Webliography:

1. www.scribd.com/doc/27126102/Measurement-of-Magnetic-Susceptibility-of-Manganese-II-Sulphate-solution-by-Quincke-s-Method
2. www.sheffield.ac.uk/polopoly_fs/1.../file/G4_Quinckes_script_V2.1.pdf
3. globaltools.co.za/pdf/Susceptibity%20of%20Paramagnetic%20Solution.pdf
4. www.scribd.com/harsh_2574797/d/27126102-Measurement-of-Magnetic-Susceptibility-of-Manganese-II-Sulphate-solution-by-Quincke-s-Method