The Steam Engine and Gas and Oil Engines : A Book for the Use of Students Who Have Time to Make Experiments and Calculations
John Perry
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Social Mobilization and the Ebola Virus Disease in Liberia
John Perry
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Spinning Tops : The Operatives Lecture of the British Association Meeting
John Perry
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Nuclear Weapons and the Environment : An Ecological Case for Non-proliferation
John Perry
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Format: eBook (EPUB)