• [1]

    Semkowa T M, Parekh P P, Schwenker C D et al. Appl. Radiat. and Isot., 2002, 57(2): 213-223[2] Stochioiu A, Luca A, Sahagia M et al. Journal of Environmental Radioactivity, 2012, 112: 4-7[3] El-Khatib A M, Badawi M S, Abd-Elzaher M et al. Journal of Advanced Research in Physics, 2012, 3(2): 021204[4] Piton F Lépy M C, Bé M M et al. Appl. Radiat. Isot., 2000, 52(3): 791-795[5] Moens L, Donder J De, Xi-lei L et al. Nucl. Instrum. Methods, 1981, 187(2-3): 451-472[6] Radu D, Stanga D, Sima O Appl. Radiat. and Isot., 2009, 67(8): 1686-1690[7] Vidmar T, Vodenik B, Necemer M. Appl. Radiat. and Isot., 2010, 68(11): 2352-2354[8] Abbas M I. Appl. Radiat. Isot, 2001, 54(5): 761-768[9] Abbas M I. J. Phys. D: Appl. Phys, 2006, 39(15): 3952[10] Badawi M S. Comparative Study of the Efficiency of Gamma-rays Measured by Compact-and Well Type-Cylindrical Detectors. Ph. D. Thesis. Egypt: Faculty of Science, Alexandria University, 2009[11] Jovanovic S, Dlabac A Mihaljevic N et al. Radiat. Phys. Chem., 1997, 218(1): 13-20