. (1971). -. (e26660). University College of Engineering, 20(0), e26660
. "-" .e26660 , University College of Engineering, 20, 0, 1971, e26660.
. (1971). '-', University College of Engineering, 20(0), e26660.
, "-," University College of Engineering, 20 0 (1971): e26660,
. -. University College of Engineering. 1971;20(0):e26660 (In Persian).
