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				| [8] | (8) Yu Xin,Foundation of Rigidbody Mechanics,South China Institute of Technology,(1981). | 
		
				| [9] | (9) Yu Xin,On the Application of Screw Calculus to the Mechanics of Spatial Mechanisms,(an analysis of the general five-link mechanism with screw pairs).(to be published by the symposium on "Applied Mathematics and Mechanics"). | 
		
				| [10] | (10) Yu Xin,The Mechnaics of Mechanical Manipulators with six Degrees of Freedom-An analysis by Means of the Screw Calculus.(to be published). | 
		
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