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by Open University
by Young, Hugh D.
by Newman, John Henry
by Jaegwon Kim (Brown University); Ernest Sosa (Brown University)
by Michael Ryan (Northeastern University)
by Alister E. McGrath (University of Oxford)
by Young, Hugh D.; Freedman, Roger A.; Sandin, T. R.; et al.
by Shanks, Hershel
by Bar-Shalom, Yaakov; University of California, Los Angeles University Extension; Shalom, Yaakov Bar
by International Symposium on History of Machines and Mechanisms (2000 : University of Cassino); Ceccarelli, Marco
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