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Gunpowder as the fourth power, East and West. First East Asian History of Science Foundation Lecture presented at the University of Hong Kong, 20 October 1983. By Joseph Needham. (Hong Kong University Press, Occasional Papers Series No. 3.) pp. vi, 70, illus. Hong Kong, Hong Kong University Press, 1985. HK $70.00.
Published online by Cambridge University Press:
15 March 2011
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