000			00319nam a22001337a 4500
008			210707s1981 xx 000 0 und d
041			_aeng
082			_a052 NG
245			_aNational Geographic
260			_bNational Geographic _c1981
650			_aGeography
650			_aGeography
906			_aGeographic National
999			_c179821 _d179821