[1] G. Rastegarzadeh and L. Rafezi, Energy, altitude, and mass dependence of steepness of the lateral distribution function of electrons and muons in extensive air showers, Nuclear Inst. and Methods in Physics Research, A, 763 (2014) 197-201.
[2] G. Rastegarzadeh, Cosmic ray simulation and dependence of maximum air shower development (Hmax) on mass and energy of primaries, IJPR , 6 (2006), No.2, 88-94.
[3] A.M.Hillas et al, Measurement of primary energy of air showers in the presence of fluctuations, Proc. 12th ICRC, Hobart, Australia, 3(1971) 1001.
[4] D. Newton, J. Knapp, A.A. Watson, The optimum distance at which to determine the size of a giant air shower, Astropart.Phys.26 (2007) 414.
[5] S.Abdollahi et al, Alborz-I array: A simulation on performance and properties of the array around the knee of the cosmic ray spectrum, Astropart.Phys.76 (2016) 1–8.
[6] D. M. Edge et al, The cosmic ray spectrum at energies above 1017 eV, J. Phys. A: Math. Nucl. Gen. 6 ( 1973) 1612.
[7] A.Tapia et al, The lateral shower age parameter as an estimator of chemical composition, Proc. 33th ICRC, Rio de Janeiro, Brazil, (2013).
[8] P.K.F.Grieder, Extensive Air Showers, Springer, vol1, (2010).