. (1977). -. (e16029). Journal of Science,University of Tehran(not publish), 3و4(0), e16029

. "-" .e16029 , Journal of Science,University of Tehran(not publish), 3و4, 0, 1977, e16029.

. (1977). '-', Journal of Science,University of Tehran(not publish), 3و4(0), e16029.

, "-," Journal of Science,University of Tehran(not publish), 3و4 0 (1977): e16029,

. -. Journal of Science,University of Tehran(not publish). 1977;3و4(0):e16029 (In Persian).