9El-Khayatt A M,Abdo A E.MERCSF-N:A program forthe calculation of fast neutron removal cross sections in com-posite shields. Annals Nuclear Energy . 2009
10Akkurt I,Kilincarslan S,Basyigit C.The photon attenua-tion coefficients of barite,marble and limra. Annals Nu-clear Energy . 2004