000 00313nam a2200133Ia 4500
008 200208s9999 xx 000 0 und d
082 _a910 NAT
245 0 _aI Did't know that
260 _bNational Geography Channel
260 _c2008
500 _aBook World
650 _aEducational Cinema
942 _cCD
999 _c154104
_d154104