. (1989). -. (e16989). Journal of Science,University of Tehran(not publish), 1تا4(0), e16989

. "-" .e16989 , Journal of Science,University of Tehran(not publish), 1تا4, 0, 1989, e16989.

. (1989). '-', Journal of Science,University of Tehran(not publish), 1تا4(0), e16989.

, "-," Journal of Science,University of Tehran(not publish), 1تا4 0 (1989): e16989,

. -. Journal of Science,University of Tehran(not publish). 1989;1تا4(0):e16989 (In Persian).