000 00292nam a22001217a 4500
999 _c107306
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008 180903b ||||| |||| 00| 0 eng d
040 _cPK-LaUMT
082 _aMJC 910.05
_bNAT-
245 _aNational Geographic (vol 191 no 5).../
260 _c1997
942 _cBK