Davis, J. R. A. (1996). Encylopedia of scientific developments inventions and discoveries, Vol.4. Bhavana Books & Prints.
Chicago Style aipamenaDavis, J. R. Ainsworth. Encylopedia of Scientific Developments Inventions and Discoveries, Vol.4. New Delhi: Bhavana Books & Prints, 1996.
MLA aipamenaDavis, J. R. Ainsworth. Encylopedia of Scientific Developments Inventions and Discoveries, Vol.4. Bhavana Books & Prints, 1996.
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