Dolatkhah,S . (1993). -. Sharif Journal of Civil Engineering, Vol. 9(No . 6), 68-69.
Dolatkhah,S . "-", Sharif Journal of Civil Engineering, Vol. 9, No . 6, 1993, 68-69.
Dolatkhah S. (1993). '-', Sharif Journal of Civil Engineering, Vol. 9(No . 6), pp. 68-69.
S Dolatkhah, "-," Sharif Journal of Civil Engineering, Vol. 9 No . 6 (1993): 68-69,
Dolatkhah S. -. Sharif Journal of Civil Engineering. 1993;Vol. 9(No . 6):68-69 (In Persian).