Abstract
Keywords
(1998). -. Sharif Journal of Mechanical Engineering, 14(No .15), 2-2.
. "-". Sharif Journal of Mechanical Engineering, 14, No .15, 1998, 2-2.
(1998). '-', Sharif Journal of Mechanical Engineering, 14(No .15), pp. 2-2.
-. Sharif Journal of Mechanical Engineering, 1998; 14(No .15): 2-2.
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