. (1987). -. (e26769). University College of Engineering, 48(0), e26769
. "-" .e26769 , University College of Engineering, 48, 0, 1987, e26769.
. (1987). '-', University College of Engineering, 48(0), e26769.
, "-," University College of Engineering, 48 0 (1987): e26769,
. -. University College of Engineering. 1987;48(0):e26769 (In Persian).
