Davis, J. A. (1996). Encyclopaedia of scientific developments inventions and discoveries. Bhavana Books and Prints.
Citace podle Chicago (17th ed.)Davis, J.R. Ainsworth. Encyclopaedia of Scientific Developments Inventions and Discoveries. New Delhi: Bhavana Books and Prints, 1996.
Citace podle MLA (9th ed.)Davis, J.R. Ainsworth. Encyclopaedia of Scientific Developments Inventions and Discoveries. Bhavana Books and Prints, 1996.
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