. (1978). -. (e16581). Journal of Science,University of Tehran(not publish), 1(0), e16581

. "-" .e16581 , Journal of Science,University of Tehran(not publish), 1, 0, 1978, e16581.

. (1978). '-', Journal of Science,University of Tehran(not publish), 1(0), e16581.

, "-," Journal of Science,University of Tehran(not publish), 1 0 (1978): e16581,

. -. Journal of Science,University of Tehran(not publish). 1978;1(0):e16581 (In Persian).