Litvin F.L. Development of Gear Technology and Theory of Gearing. На английском языке. О зубчатых передачах, технология и теория. First published in 1997 by National Aeronautics and Space Administration in Washington DC . Written in English, 120 pages. A NASA Reference Publication discusses gear technology from mathematical and historical perspectives. Following a preface containing historical and philosophical observations, the first of thre...