000 00279nam a2200109Ia 4500
008 250217s9999 xx 000 0 und d
022 _a108105
082 _a910.5
_bNAT
245 0 _aNational Geographic Index
260 _bNational geographic Society
_aWashington
942 _cPRBP
999 _c189577
_d189576