000 00317nam a2200121Ia 4500
005 20250114224343.0
008 250113s9999 xx 000 0 und d
041 _aeng
082 _aU:1m73:M88
245 _aNationla Geographic Vol.212: 4-6
260 _c2007
_bNational Geographic Society
_aWashington
365 _cRs.
999 _c133108
_d133108