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. "-", Sharif Journal of Mechanical Engineering, 15, No. 16, 1999, 2–2.
. (1999). '-', Sharif Journal of Mechanical Engineering, 15(No. 16), pp. 2–2.
, "-." Sharif Journal of Mechanical Engineering, 15 No. 16 (1999): 2–2,
. -. Sharif Journal of Mechanical Engineering. 1999;15(No. 16):2–2 (In Persian).