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.
Dolatkhah, S., "-." 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).
