000 00301nam a22001217a 4500
005 20180704120631.0
008 180704b xxu||||| |||| 00| 0 eng d
040 _cPK-LaUMT
082 _aMJC 050.9397
_bNAT-
245 _aNational Geographic (Vol.169 no.3)/
260 _a[ ]
_b[ ]
_c1986
942 _cBK
999 _c105461
_d105461