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Kr mer Flecken A ,MorekT ,Lieder R M et al.Nucl.Instr.and Meth.,1989,A275:3332 ZHANG CT,Bhattacharyya P,Daly P J et al.Nucl.Phys.,1998,A628:386 3 ZHOU X H,ZHENG Y,ZHANG Y H et al.Eur.Phys.J.,2001,A12:253—255
Kr mer Flecken A ,MorekT ,Lieder R M et al.Nucl.Instr.and Meth.,1989,A275:3332 ZHANG CT,Bhattacharyya P,Daly P J et al.Nucl.Phys.,1998,A628:386 3 ZHOU X H,ZHENG Y,ZHANG Y H et al.Eur.Phys.J.,2001,A12:253—255