. (1986). -. (e16040). Journal of Science,University of Tehran(not publish), 3و4(0), e16040

. "-" .e16040 , Journal of Science,University of Tehran(not publish), 3و4, 0, 1986, e16040.

. (1986). '-', Journal of Science,University of Tehran(not publish), 3و4(0), e16040.

, "-," Journal of Science,University of Tehran(not publish), 3و4 0 (1986): e16040,

. -. Journal of Science,University of Tehran(not publish). 1986;3و4(0):e16040 (In Persian).