000 00314nam a2200121Ia 4500
008 240806s9999||||xx |||||||||||||| ||und||
040 _aKenya National Library Service
082 _a539.7220218 KEN
100 _aKEBS
245 0 _aBasic ionizing radiation symbol
260 _aNairobi
_b KEBS
_c2005
942 _cBK
999 _c214457
_d214457