. (1992). Observed gamma point sources in the galactic center. Sharif Journal of Civil Engineering, vol. 8(3), 36-39.

. "Observed gamma point sources in the galactic center", Sharif Journal of Civil Engineering, vol. 8, 3, 1992, 36-39.

. (1992). 'Observed gamma point sources in the galactic center', Sharif Journal of Civil Engineering, vol. 8(3), pp. 36-39.

, "Observed gamma point sources in the galactic center," Sharif Journal of Civil Engineering, vol. 8 3 (1992): 36-39,

. Observed gamma point sources in the galactic center. Sharif Journal of Civil Engineering. 1992;vol. 8(3):36-39 (In Persian).