. (1995). -. (e16984). Journal of Science,University of Tehran(not publish), 1(0), e16984

. "-" .e16984 , Journal of Science,University of Tehran(not publish), 1, 0, 1995, e16984.

. (1995). '-', Journal of Science,University of Tehran(not publish), 1(0), e16984.

, "-," Journal of Science,University of Tehran(not publish), 1 0 (1995): e16984,

. -. Journal of Science,University of Tehran(not publish). 1995;1(0):e16984 (In Persian).